chore: cleanup release-please config

- Remove redundant options already declared at the top level.\n- Remove bumpMinorPreMajor for repositories after the first major release.

Author: diegomarquezp

.github/release-please.yml

@@ -2,40 +2,21 @@ bumpMinorPreMajor: true
 handleGHRelease: true
 releaseType: java-yoshi
 branches:
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-lts
-    branch: 1.39.2-sp
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.40.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.41.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.42.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.43.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.44.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.46.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-backport
-    branch: 1.47.x
-  - bumpMinorPreMajor: true
-    handleGHRelease: true
-    releaseType: java-yoshi
-    branch: protobuf-4.x-rc
-    manifest: true
+    - releaseType: java-lts
+      branch: 1.39.2-sp
+    - releaseType: java-backport
+      branch: 1.40.x
+    - releaseType: java-backport
+      branch: 1.41.x
+    - releaseType: java-backport
+      branch: 1.42.x
+    - releaseType: java-backport
+      branch: 1.43.x
+    - releaseType: java-backport
+      branch: 1.44.x
+    - releaseType: java-backport
+      branch: 1.46.x
+    - releaseType: java-backport
+      branch: 1.47.x
+    - branch: protobuf-4.x-rc
+      manifest: true