Don't strip dash and underscore from metrics' tags (#1267) #1496

Job	Run time
Build Reaper	6m 57s
Build Reaper	6m 57s
Docker Image Tests (cassandra, docker)	6m 50s
Docker Image Tests (cassandra, docker)	6m 50s
Cassandra backend (binary:3.0.25, cassandra, ccm)	30m 26s
Cassandra backend (binary:3.0.25, cassandra, ccm)	30m 26s
Memory backends (binary:3.0.25, local, ccm)	30m 30s
Memory backends (binary:3.0.25, local, ccm)	30m 27s
Cassandra backend (binary:3.11.16, cassandra, ccm)	30m 22s
Cassandra backend (binary:3.11.16, cassandra, ccm)	30m 30s
HTTP Management (binary:4.0.6, ccm, http-api, 1, 1)	30m 35s
HTTP Management (binary:4.0.6, ccm, http-api, 1, 1)	30m 22s
Memory backends (binary:3.11.16, local, ccm)	30m 30s
Memory backends (binary:3.11.16, local, ccm)	30m 29s
Cassandra backend (binary:4.0.6, cassandra, ccm)	30m 25s
Cassandra backend (binary:4.0.6, cassandra, ccm)	30m 26s
HTTP Management (binary:3.11.16, ccm, http-api, 1, 1)	30m 32s
HTTP Management (binary:3.11.16, ccm, http-api, 1, 1)	30m 31s
Memory backends (binary:4.0.6, local, ccm)	30m 30s
Memory backends (binary:4.0.6, local, ccm)	30m 22s
Flapping reapers	0s
Flapping reapers	0s
Distributed tests	0s
Distributed tests	0s
Each DC Availability	0s
Each DC Availability	0s
Sidecar	0s
Sidecar	0s
Release Reaper	0s
Release Reaper	0s
	8h 34m 57s

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