Revert "Update fluentd-gcp to 2.0.6"

[ixdy]

This reverts commit 0bcc271.

What this PR does / why we need it: the new fluentd image appears to be crashlooping:

I0615 08:48:40.580] ENDLOG for container kube-system:fluentd-gcp-v2.0-8skw9:prometheus-to-sd-exporter
I0615 08:48:40.787] Jun 15 08:48:40.787: INFO: Logs of kube-system/fluentd-gcp-v2.0-mqrs8:fluentd-gcp on node bootstrap-e2e-minion-group-vp5d
I0615 08:48:40.787] Jun 15 08:48:40.787: INFO:  : STARTLOG
I0615 08:48:40.788] /var/lib/gems/2.1.0/gems/ffi-1.9.18/lib/ffi/library.rb:147:in `block in ffi_lib': Could not open library 'libsystemd.so.0': libcap.so.2: cannot open shared object file: No such file or directory. (LoadError)
I0615 08:48:40.788] Could not open library 'libsystemd.so': libcap.so.2: cannot open shared object file: No such file or directory.
I0615 08:48:40.788] Could not open library 'libsystemd-id128.so.0': libsystemd-id128.so.0: cannot open shared object file: No such file or directory.
I0615 08:48:40.788] Could not open library 'libsystemd-id128.so': libsystemd-id128.so: cannot open shared object file: No such file or directory
I0615 08:48:40.788] 	from /var/lib/gems/2.1.0/gems/ffi-1.9.18/lib/ffi/library.rb:100:in `map'
I0615 08:48:40.788] 	from /var/lib/gems/2.1.0/gems/ffi-1.9.18/lib/ffi/library.rb:100:in `ffi_lib'
I0615 08:48:40.789] 	from /var/lib/gems/2.1.0/gems/systemd-journal-1.2.3/lib/systemd/id128.rb:48:in `<module:Native>'
I0615 08:48:40.789] 	from /var/lib/gems/2.1.0/gems/systemd-journal-1.2.3/lib/systemd/id128.rb:45:in `<module:Id128>'
I0615 08:48:40.789] 	from /var/lib/gems/2.1.0/gems/systemd-journal-1.2.3/lib/systemd/id128.rb:6:in `<module:Systemd>'
I0615 08:48:40.789] 	from /var/lib/gems/2.1.0/gems/systemd-journal-1.2.3/lib/systemd/id128.rb:3:in `<top (required)>'
I0615 08:48:40.789] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
I0615 08:48:40.789] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
I0615 08:48:40.789] 	from /var/lib/gems/2.1.0/gems/systemd-journal-1.2.3/lib/systemd/journal/native.rb:1:in `<top (required)>'
I0615 08:48:40.790] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
I0615 08:48:40.790] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
I0615 08:48:40.790] 	from /var/lib/gems/2.1.0/gems/systemd-journal-1.2.3/lib/systemd/journal.rb:2:in `<top (required)>'
I0615 08:48:40.790] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:135:in `require'
I0615 08:48:40.790] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:135:in `rescue in require'
I0615 08:48:40.790] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:144:in `require'
I0615 08:48:40.790] 	from /var/lib/gems/2.1.0/gems/fluent-plugin-systemd-0.0.8/lib/fluent/plugin/in_systemd.rb:1:in `<top (required)>'
I0615 08:48:40.791] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
I0615 08:48:40.791] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
I0615 08:48:40.791] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/plugin.rb:172:in `block in try_load_plugin'
I0615 08:48:40.791] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/plugin.rb:170:in `each'
I0615 08:48:40.791] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/plugin.rb:170:in `try_load_plugin'
I0615 08:48:40.791] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/plugin.rb:130:in `new_impl'
I0615 08:48:40.791] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/plugin.rb:55:in `new_input'
I0615 08:48:40.792] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/root_agent.rb:154:in `add_source'
I0615 08:48:40.792] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/root_agent.rb:95:in `block in configure'
I0615 08:48:40.792] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/root_agent.rb:92:in `each'
I0615 08:48:40.792] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/root_agent.rb:92:in `configure'
I0615 08:48:40.792] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/engine.rb:129:in `configure'
I0615 08:48:40.793] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/engine.rb:103:in `run_configure'
I0615 08:48:40.793] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/supervisor.rb:489:in `run_configure'
I0615 08:48:40.793] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/supervisor.rb:174:in `block in start'
I0615 08:48:40.793] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/supervisor.rb:366:in `call'
I0615 08:48:40.793] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/supervisor.rb:366:in `main_process'
I0615 08:48:40.794] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/supervisor.rb:170:in `start'
I0615 08:48:40.794] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/lib/fluent/command/fluentd.rb:173:in `<top (required)>'
I0615 08:48:40.794] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:73:in `require'
I0615 08:48:40.794] 	from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:73:in `require'
I0615 08:48:40.794] 	from /var/lib/gems/2.1.0/gems/fluentd-0.12.36/bin/fluentd:5:in `<top (required)>'
I0615 08:48:40.795] 	from /usr/local/bin/fluentd:23:in `load'
I0615 08:48:40.795] 	from /usr/local/bin/fluentd:23:in `<main>'
I0615 08:48:40.795] 
I0615 08:48:40.795] ENDLOG for container kube-system:fluentd-gcp-v2.0-mqrs8:fluentd-gcp

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #47600 #47609

Special notes for your reviewer:

Release note:

/release-note
/assign @saad-ali
/cc @crassirostris

[k8s-github-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ixdy
We suggest the following additional approver: crassirostris

Assign the PR to them by writing /assign @crassirostris in a comment when ready.

Associated issue: 47600

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[k8s-ci-robot]

@ixdy: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
pull-kubernetes-federation-e2e-gce	641f8c1	link	@k8s-bot pull-kubernetes-federation-e2e-gce test this

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[marun]

@ixdy I don't think the federation job will be able to pass until this merges and the federation clusters are redeployed.

[csbell]

@ixdy please ask for a manual merge

[krzyzacy]

cc @dchen1107

[dchen1107]

Besides pull-kubernetes-federation-e2e-gce, all other tests are passed, and fed jobs won't pass due to this issue. I am manually merging this.

[dchen1107]

cc/ @kubernetes/kubernetes-release-managers