Merge branch 'remove-per-cpu-metrics' into 'master'

Updates CE metrics with updated versions from EE

See merge request gitlab-org/gitlab-ce!15229

config/prometheus/additional_metrics.yml

@@ -145,7 +145,7 @@
       - container_memory_usage_bytes
     weight: 1
     queries:
-    - query_range: '(sum(container_memory_usage_bytes{container_name!="POD",%{environment_filter}}) / count(container_memory_usage_bytes{container_name!="POD",%{environment_filter}})) /1024/1024'
+    - query_range: '(sum(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"}) / count(container_memory_usage_bytes{container_name!="POD",environment="%{ci_environment_slug}"})) /1024/1024'
       label: Average
       unit: MB
   - title: "CPU Utilization"
@@ -154,7 +154,7 @@
      - container_cpu_usage_seconds_total
     weight: 1
     queries:
-    - query_range: 'sum(rate(container_cpu_usage_seconds_total{container_name!="POD",%{environment_filter}}[2m])) by (cpu)  * 100'
+    - query_range: 'sum(rate(container_cpu_usage_seconds_total{container_name!="POD",environment="%{ci_environment_slug}"}[2m])) * 100'
       label: CPU
       unit: "%"
       series: