chore: cleanup release-please config (#4254)

* chore: cleanup release-please config

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

* chore: format release-please.yml

---------

Co-authored-by: rahul2393 <irahul@google.com>

Author: diegomarquezp

.github/release-please.yml

@@ -2,60 +2,26 @@ releaseType: java-yoshi
 bumpMinorPreMajor: true
 handleGHRelease: true
 branches:
-  - branch: 3.3.x
-    releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-  - branch: 4.0.x
-    releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-  - branch: 5.2.x
-    releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-  - releaseType: java-lts
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.4.4-sp
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.14.x
-  - releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.23.x
-  - releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.33.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.55.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.67.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.66.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.88.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.96.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.95.x
-  - releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: protobuf-4.x-rc
-    manifest: true
+    - branch: 3.3.x
+    - branch: 4.0.x
+    - branch: 5.2.x
+    - branch: 6.4.4-sp
+      releaseType: java-lts
+    - branch: 6.14.x
+      releaseType: java-backport
+    - branch: 6.23.x
+    - branch: 6.33.x
+    - branch: 6.55.x
+      releaseType: java-backport
+    - branch: 6.67.x
+      releaseType: java-backport
+    - branch: 6.66.x
+      releaseType: java-backport
+    - branch: 6.88.x
+      releaseType: java-backport
+    - branch: 6.96.x
+      releaseType: java-backport
+    - branch: 6.95.x
+      releaseType: java-backport
+    - branch: protobuf-4.x-rc
+      manifest: true