ci: Revert "fix: bootstrap manifest for release-please (#5087)"

This reverts commit e392d14f4e.

.github/workflows/release.yml

@@ -24,9 +24,8 @@ jobs:
         id: release
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          command: manifest
+          release-type: rust
           draft: true
-          default-branch: master
 
   # Build sources for every OS
   github_build:

.release-please-manifest.json

@@ -1,3 +0,0 @@
-{
-  ".": "1.14.0"
-}

release-please-config.json

@@ -1,7 +0,0 @@
-{
-  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
-  "release-type": "rust",
-  "packages": {
-    ".": {}
-  }
-}