Merge branch '340847-remove-deprecated-metric-status' into 'master'

Remove `deprecated` metric status

See merge request gitlab-org/gitlab!76069

config/metrics/schema.json

@@ -30,7 +30,7 @@
     },
     "status": {
       "type": ["string"],
-      "enum": ["active", "deprecated", "removed", "broken"]
+      "enum": ["active", "removed", "broken"]
     },
     "milestone": {
       "type": ["string"],