Uniform FBC definitions (netobserv#1178)

* remove duplicate build-platform fbc4.18

* uniformize fbc yaml

* remove buildpatforms on push

Author: jotak

.tekton/fbc-v-4-12-push.yaml

@@ -32,6 +32,8 @@ spec:
     value: quay.io/redhat-user-workloads/ocp-network-observab-tenant/fbc-v-4-12:latest
   - name: dockerfile
     value: catalog.Dockerfile.downstream
+  - name: opm-image
+    value: registry.redhat.io/openshift4/ose-operator-registry:v4.12
   pipelineRef:
     name: build-fbc-pipeline
   workspaces:

.tekton/fbc-v4-17-push.yaml

@@ -30,9 +30,6 @@ spec:
     value: '{{revision}}'
   - name: output-image
     value: quay.io/redhat-user-workloads/ocp-network-observab-tenant/fbc-v4-17:latest
-  - name: build-platforms
-    value:
-    - linux/x86_64
   - name: dockerfile
     value: catalog.Dockerfile.downstream
   - name: opm-image

.tekton/fbc-v4-18-pull-request.yaml

@@ -13,7 +13,6 @@ metadata:
       "catalog.Dockerfile.downstream".pathChanged() ||
       "catalog/***".pathChanged() ||
       "hack/update-build.sh".pathChanged() ||
-      "hack/bundle_digest.sh".pathChanged() ||
       "hack/patch_catalog.py".pathChanged() ||
       "hack/patch_csv.py".pathChanged())
   creationTimestamp: null
@@ -33,9 +32,6 @@ spec:
     value: quay.io/redhat-user-workloads/ocp-network-observab-tenant/fbc-v4-18:on-pr-{{revision}}
   - name: image-expires-after
     value: 5d
-  - name: build-platforms
-    value:
-    - linux/x86_64
   - name: dockerfile
     value: catalog.Dockerfile.downstream
   - name: opm-image

.tekton/fbc-v4-18-push.yaml

@@ -30,9 +30,6 @@ spec:
     value: '{{revision}}'
   - name: output-image
     value: quay.io/redhat-user-workloads/ocp-network-observab-tenant/fbc-v4-18:{{revision}}
-  - name: build-platforms
-    value:
-    - linux/x86_64
   - name: dockerfile
     value: catalog.Dockerfile.downstream
   - name: opm-image