fix pre-commit workflow remove excess checkout (#3186)

Author: MintsInc

.github/workflows/reusable-pre-commit.yml

@@ -19,29 +19,27 @@ on:
       PIPELINE_GITHUB_APP_PRIVATE_KEY:
         required: false
 
+env:
+  GIT_AUTHOR_EMAIL: "[email protected]"
+  GIT_AUTHOR_NAME: "ci.datadog-api-spec"
+
 jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
       - name: Get GitHub App token
-        if: inputs.enable-commit-changes && github.event.pull_request.head.repo.full_name == github.repository
         id: get_token
+        if: inputs.enable-commit-changes
         uses: actions/create-github-app-token@v1
         with:
           app-id: ${{ secrets.PIPELINE_GITHUB_APP_ID }}
           private-key: ${{ secrets.PIPELINE_GITHUB_APP_PRIVATE_KEY }}
       - uses: actions/checkout@v3
-        if: github.event.pull_request.head.repo.full_name == github.repository
         with:
           fetch-depth: 0
           repository: DataDog/datadog-api-client-java
           ref: ${{ inputs.target-branch || github.event.pull_request.head.sha || github.ref }}
           token: ${{ inputs.enable-commit-changes && steps.get_token.outputs.token || github.token }}
-      - uses: actions/checkout@v3
-        if: github.event.pull_request.head.repo.full_name != github.repository
-        with:
-          repository: DataDog/datadog-api-client-java
-          ref: ${{ inputs.target-branch || github.ref }}
       - uses: actions/setup-python@v4
         with:
           python-version: '3.11'
@@ -76,7 +74,7 @@ jobs:
           FROM_REF: ${{ steps.commit_range.outputs.from_ref }}
           TO_REF: ${{ steps.commit_range.outputs.to_ref }}
       - name: Commit changes
-        if: failure() && inputs.enable-commit-changes && github.event.pull_request.head.repo.full_name == github.repository
+        if: failure() && inputs.enable-commit-changes
         run: |-
           git add -A
           git config user.name "${GIT_AUTHOR_NAME}"
@@ -86,8 +84,6 @@ jobs:
           exit 1
         env:
           HEAD_REF: ${{ github.event.pull_request.head.ref }}
-          GIT_AUTHOR_EMAIL: "[email protected]"
-          GIT_AUTHOR_NAME: "ci.datadog-api-spec"
       - id: pre_commit_schedule
         name: Run pre-commit in schedule
         if: github.event_name == 'schedule'