remove community checker code and update trigger targets (GoogleCloudPlatform#11646)

Co-authored-by: Stephen Lewis (Burrows) <[email protected]>

Author: 2 people

.ci/gcb-community-checker.yml

@@ -62,7 +62,7 @@ steps:
     entrypoint: "/workspace/.ci/scripts/go-plus/magician/exec.sh"
     id: contributor-membership-checker
     secretEnv:
-      ["GITHUB_TOKEN_MAGIC_MODULES", "GENERATE_DIFFS_TRIGGER", "COMMUNITY_CHECKER_TRIGGER", "DOWNSTREAM_GENERATION_AND_TEST_TRIGGER"]
+      ["GITHUB_TOKEN_MAGIC_MODULES", "DOWNSTREAM_GENERATION_AND_TEST_TRIGGER"]
     timeout: 8000s
     args:
       - "membership-checker"
@@ -74,9 +74,5 @@ availableSecrets:
   secretManager:
     - versionName: projects/673497134629/secrets/github-magician-token-generate-diffs-magic-modules/versions/latest
       env: GITHUB_TOKEN_MAGIC_MODULES
-    - versionName: projects/673497134629/secrets/ci-trigger-generate-diffs/versions/latest
-      env: GENERATE_DIFFS_TRIGGER
-    - versionName: projects/673497134629/secrets/ci-trigger-community-checker/versions/latest
-      env: COMMUNITY_CHECKER_TRIGGER
     - versionName: projects/673497134629/secrets/ci-trigger-downstream-generation-and-test/versions/latest
       env: DOWNSTREAM_GENERATION_AND_TEST_TRIGGER

.ci/gcb-contributor-membership-checker.yml

@@ -23,7 +23,7 @@ import (
 	cloudbuildv1 "google.golang.org/api/cloudbuild/v1"
 )
 
-func (cb *Client) ApproveCommunityChecker(prNumber, commitSha string) error {
+func (cb *Client) ApproveDownstreamGenAndTest(prNumber, commitSha string) error {
 	buildId, err := getPendingBuildId(PROJECT_ID, commitSha)
 	if err != nil {
 		return err
@@ -42,9 +42,9 @@ func (cb *Client) ApproveCommunityChecker(prNumber, commitSha string) error {
 }
 
 func getPendingBuildId(projectId, commitSha string) (string, error) {
-	COMMUNITY_CHECKER_TRIGGER, ok := os.LookupEnv("COMMUNITY_CHECKER_TRIGGER")
+	COMMUNITY_CHECKER_TRIGGER, ok := os.LookupEnv("DOWNSTREAM_GENERATION_AND_TEST_TRIGGER")
 	if !ok {
-		return "", fmt.Errorf("Did not provide COMMUNITY_CHECKER_TRIGGER environment variable")
+		return "", fmt.Errorf("Did not provide DOWNSTREAM_GENERATION_AND_TEST_TRIGGER environment variable")
 	}
 
 	ctx := context.Background()