Create our own glog replacement

[axw]

Motivation/summary

The replacement module we were using causes issues with go mod tidy due to it having a different module path. This was causing go mod tidy to fail with errors like:

07:04:10 go: finding module for package github.com/slok/noglog
07:04:10 go: found github.com/slok/noglog in github.com/slok/noglog v0.2.0
07:04:10 go: github.com/slok/[email protected] used for two different module paths (github.com/golang/glog and github.com/slok/noglog)
07:04:10 Makefile:193: recipe for target 'update-beats-module' failed
07:04:10 make: *** [update-beats-module] Error 1

I've created a minimal glog replacement under internal/glog with the same module path and package name as github.com/golang/glog to resolve this.

Checklist

- [ ] Update CHANGELOG.asciidoc
- [ ] Documentation has been updated

How to test these changes

go mod tidy shouldn't fail

Related issues

None.

[apmmachine]

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• Start Time: 2021-07-28T00:41:26.641+0000

• Duration: 39 min 39 sec

• Commit: 894867c

Test stats 🧪

Test	Results
Failed	0
Passed	5965
Skipped	14
Total	5979

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