Add golangci yml file and disable all linters

[gatici]

• Add .golanci.yml which includes linting directives for project and disable all linters.
• The aim is fixing the gnbsim CI, then problems of each type of linter is being fixed in separate PR's.
• Some ineffassign problems are fixed as they still causes error after disabling ineffassign in golangci.yaml.

[onf-bot]

Can one of the admins verify this patch?

[onf-bot]

Can one of the admins verify this patch?

[onf-bot]

Can one of the admins verify this patch?

[gatici]

$ make golint

level=info msg="[config_reader] Used config file .golangci.yml"
level=info msg="[lintersdb] Active 5 linters: [asciicheck dogsled godox gofmt ineffassign]"
level=info msg="[loader] Go packages loading at mode 575 (name|deps|imports|files|types_sizes|compiled_files|exports_file) took 8.686651164s"
level=info msg="[runner/filename_unadjuster] Pre-built 0 adjustments in 5.24274ms"
level=info msg="[linters_context/goanalysis] analyzers took 53.9245ms with top 10 stages: gofmt: 37.552071ms, ineffassign: 8.533969ms, asciicheck: 3.100171ms, godox: 2.750409ms, dogsled: 1.90461ms, typecheck: 83.27µs"
level=info msg="[runner] processing took 3.176µs with stages: max_same_issues: 388ns, skip_dirs: 346ns, nolint: 337ns, skip_files: 296ns, exclude-rules: 231ns, filename_unadjuster: 168ns, cgo: 158ns, autogenerated_exclude: 145ns, path_prettifier: 136ns, source_code: 133ns, exclude: 131ns, identifier_marker: 127ns, fixer: 126ns, max_from_linter: 114ns, diff: 52ns, path_shortener: 52ns, sort_results: 49ns, uniq_by_line: 49ns, max_per_file_from_linter: 49ns, severity-rules: 49ns, path_prefixer: 40ns"
level=info msg="[runner] linters took 164.486165ms with stages: goanalysis_metalinter: 164.441159ms"
level=info msg="File cache stats: 0 entries of total size 0B"
level=info msg="Memory: 90 samples, avg is 25.0MB, max is 98.4MB"
level=info msg="Execution took 8.860514265s"

[thakurajayL]

ok to test

[thakurajayL]

retest this please