Fix metric names

[scrye]

This reverts the metric changes accidentally introduced by
#3590.

Fixes #3610.

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This change is 

[kormat]

Reviewed 12 of 12 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved

[kormat]

Reviewed 15 of 15 files at r2.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @scrye)

[lukedirtwalker]

Reviewed 11 of 12 files at r1, 15 of 15 files at r2.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @scrye)

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go/cs/main.go, line 112 at r2 (raw file):

		return 1
	}
	metrics.InitBSMetrics()

Maybe it would make sense to have a InitMetrics function

[scrye]

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go/cs/main.go, line 112 at r2 (raw file):

Previously, lukedirtwalker (Lukas Vogel) wrote…

Maybe it would make sense to have a InitMetrics function

I think it's a bit more transparent this way; I expect the code around application initialization to get simplified in the near future, so we can revisit this soon.