Remove chef_gem dependency (needed only for chef 10.12.0 and older)

VERSIONS.md

@@ -18,7 +18,7 @@ python | [master](https://github.com/poise/python/commit/56424ab64b06f584c13dba2
 rabbitmq | [3.4.0](https://github.com/jjasghar/rabbitmq/commit/b71c0a068419ad10324e8d13b517fafbf373c0c3) | removed yum, ignored in our cs/test setup
 rsyslog | [2.2.0](https://github.com/chef-cookbooks/rsyslog/releases/tag/v2.2.0) | 2.2.0 because 3.0.0+ is Chef 12+ only
 runit | [master](https://github.com/hw-cookbooks/runit/commit/1ebeffa0f907811302a22b137015012ed6f11193) | dependency on packagecloud disabled
-rvm | [0.9.4](https://github.com/martinisoft/chef-rvm/tree/v0.9.4) |
+rvm | [0.9.4](https://github.com/martinisoft/chef-rvm/tree/v0.9.4) | removed chef_gem dependency
 sinopia | [0.3.0](https://github.com/BarthV/sinopia-cookbook/releases/tag/0.3.0) | removed dependency `user` cookbook, fix: use user resource
 supervisor | [master](https://github.com/poise/supervisor/commit/0806cb6fccfdaf3da5959ce9c2bc42287ad50b26) |
 vagrant | [0.4.2](https://github.com/jtimberman/vagrant-cookbook/releases/tag/v0.4.2) | disabled dependency on dmg and windows, removed tests and matcher, removed vagrant_plugin

rvm/metadata.rb

@@ -15,7 +15,7 @@
 recipe "rvm::gem_package",  "An experimental recipe that patches the gem_package resource"
 
 # provides chef_gem resource to chef <= 0.10.8 and fixes for chef < 10.12.0
-depends "chef_gem"
+# depends "chef_gem"
 
 supports "debian"
 supports "ubuntu"