Resolved review inputs.

Author: AYUSHMAAN-B

src/clusterfuzz/_internal/metrics/monitoring_metrics.py

@@ -40,10 +40,7 @@
     'Count of failure in booting up cuttlefish with tip-of-the-tree build ',
     field_spec=[
         monitor.StringField('build_id'),
-        # Add 'instance_id' field to get the GCE VM ID
         monitor.StringField('instance_id'),
-        # Add 'is_candidate' field to distinguish between prod and
-        # candidate instances.
         monitor.BooleanField('is_candidate'),
         monitor.BooleanField('is_succeeded'),
     ])
@@ -444,4 +441,4 @@
         monitor.BooleanField('deploy_kubernetes'),
         monitor.BooleanField('deploy_terraform'),
         monitor.StringField('clusterfuzz_version')
-    ])
+    ])