update tekton-results manifests to use overlays

- remove database patches
- replace resource with base-only overlay
- update config.env, enable histogram
- Refer PLNSRVCE-1256

Signed-off-by: Avinal Kumar <avinal@redhat.com>

Author: avinal

operator/gitops/argocd/pipeline-service/tekton-results/config.env

@@ -7,6 +7,7 @@ DB_SSLMODE=require
 DB_ENABLE_AUTO_MIGRATION=true
 SERVER_PORT=8080
 PROMETHEUS_PORT=9090
+PROMETHEUS_HISTOGRAM=true
 TLS_HOSTNAME_OVERRIDE=tekton-results-api-service.tekton-results.svc.cluster.local
 TLS_PATH=/etc/tls
 AUTH_DISABLE=false

operator/gitops/argocd/pipeline-service/tekton-results/delete-postgres-configmap.yaml

@@ -3,7 +3,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: tekton-results
 resources:
-  - https://github.com/openshift-pipelines/tektoncd-results.git/config/overlays/default-local-db/?ref=4e0f90b46c4f6709ea768dd77d7d58651dbf0bec
+  - https://github.com/openshift-pipelines/tektoncd-results.git/config/overlays/base-only/?ref=f1cb34e6b5f5688ceca3acdf3258848cacb287e8
   - namespace.yaml
   - api-route.yaml
   - watcher-logging-rbac.yaml
@@ -12,13 +12,13 @@ resources:
 images:
   - name: ko://github.com/tektoncd/results/cmd/api
     newName: quay.io/redhat-appstudio/tekton-results-api
-    newTag: 4e0f90b46c4f6709ea768dd77d7d58651dbf0bec
+    newTag: f1cb34e6b5f5688ceca3acdf3258848cacb287e8
   - name: ko://github.com/tektoncd/results/cmd/watcher
     newName: quay.io/redhat-appstudio/tekton-results-watcher
-    newTag: 4e0f90b46c4f6709ea768dd77d7d58651dbf0bec
+    newTag: f1cb34e6b5f5688ceca3acdf3258848cacb287e8
   - name: ko://github.com/tektoncd/results/tools/migrator
     newName: quay.io/redhat-appstudio/tekton-results-migrator
-    newTag: 4e0f90b46c4f6709ea768dd77d7d58651dbf0bec
+    newTag: f1cb34e6b5f5688ceca3acdf3258848cacb287e8
 
 # generate a new configmap with updated values (logs api, db ssl mode) and replace the default one
 configMapGenerator:
@@ -41,6 +41,3 @@ patches:
   - path: watcher-logging.yaml
   - path: watcher-sync.yaml
   - path: watcher-service-sync.yaml
-  - path: delete-postgres-configmap.yaml
-  - path: delete-postgres-service.yaml
-  - path: delete-postgres-statefulset.yaml