Remove cache/artifact download feature (#438)

- Remove cache download steps for cm repo and non-cm-repo cases
- Remove get-condition-vars.js and check-cache-download-status.js scripts
- Simplify checkout conditions by removing SHOULD_CHECKOUT checks
- Remove SKIP_GIT_CLONE and ENABLE_CACHE environment variables

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

Author: MishaKav

action.yml

@@ -79,51 +79,7 @@ runs:
             process.exit(1);
           }
 
-    - name: Get condition variables
-      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-      env:
-        IS_NON_COMMIT_ARG: ${{ fromJSON(fromJSON(inputs.client_payload)).isNonCommitEvent }}
-        ENABLE_CACHE_ARG: ${{ env.ENABLE_CACHE }}
-        RUN_ID_ARG: ${{ fromJSON(fromJSON(inputs.client_payload)).artifactRunId }}
-        CACHE_DOWNLOAD_FAILED_ARG: ${{ env.CACHE_DOWNLOAD_FAILED }}
-      with:
-        script: |
-          require('${{ github.action_path }}/scripts/get-condition-vars.js')(core);
-
-    - name: Download cache artifact for cm repo
-      id: download-cache-for-cm-repo
-      uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
-      if: ${{ env.SKIP_GIT_CLONE == 'true' && fromJSON(fromJSON(inputs.client_payload)).hasCmRepo == true }}
-      continue-on-error: true
-      with:
-        github-token: ${{ fromJSON(fromJSON(inputs.client_payload)).githubToken || github.token }}
-        repository: '${{ fromJSON(fromJSON(inputs.client_payload)).owner }}/${{ fromJSON(fromJSON(inputs.client_payload)).cmRepo }}'
-        run-id: ${{ fromJSON(fromJSON(inputs.client_payload)).artifactRunId }}
-        name: output
-        path: code/output
-
-    - name: Download cache artifact when cmRepo is false
-      id: download-cache
-      uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
-      if: ${{ env.SKIP_GIT_CLONE == 'true' && fromJSON(fromJSON(inputs.client_payload)).hasCmRepo == false}}
-      continue-on-error: true
-      with:
-        github-token: ${{ fromJSON(fromJSON(inputs.client_payload)).githubToken || github.token }}
-        repository: ${{ inputs.full_repository }}
-        run-id: ${{ fromJSON(fromJSON(inputs.client_payload)).artifactRunId }}
-        name: output
-        path: code/output
-
-    - name: Check if download cache artifact failed
-      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-      env:
-        ARTIFACT_OUTCOME_ARG: ${{ steps.download-cache.outcome }}
-        ARTIFACT_OUTCOME_CM_REPO_ARG: ${{ steps.download-cache-for-cm-repo.outcome }}
-      with:
-        script: require('${{ github.action_path }}/scripts/check-cache-download-status')(core);
-
     - name: Checkout Pull Request branches history
-      if: ${{ env.SHOULD_CHECKOUT == 'true' }}
       shell: bash
       run: |
         cd gitstream && cd repo
@@ -136,13 +92,12 @@ runs:
         git checkout $'${{ steps.safe-strings.outputs.head_ref }}'
 
     - name: Create cm folder
-      if: ${{ env.SHOULD_CHECKOUT == 'true' }}
       shell: bash
       run: cd gitstream && mkdir cm
 
     - name: Checkout cm repo
       uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      if: ${{ fromJSON(fromJSON(inputs.client_payload)).hasCmRepo == true && env.SHOULD_CHECKOUT == 'true'}}
+      if: ${{ fromJSON(fromJSON(inputs.client_payload)).hasCmRepo == true }}
       with:
         repository: '${{ fromJSON(fromJSON(inputs.client_payload)).owner }}/${{ fromJSON(fromJSON(inputs.client_payload)).cmRepo }}'
         ref: ${{ fromJSON(fromJSON(inputs.client_payload)).cmRepoRef }}
@@ -151,7 +106,7 @@ runs:
 
     - name: Checkout cm org
       uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      if: ${{ fromJSON(fromJSON(inputs.client_payload)).hasCmOrg == true && env.SHOULD_CHECKOUT == 'true'}}
+      if: ${{ fromJSON(fromJSON(inputs.client_payload)).hasCmOrg == true }}
       with:
         repository: 'cm/cm'
         ref: ${{ fromJSON(fromJSON(inputs.client_payload)).cmOrgRef }}
@@ -177,13 +132,11 @@ runs:
         RULES_RESOLVER_URL: ${{ inputs.resolver_url }}
         RULES_RESOLVER_TOKEN: ${{ inputs.resolver_token }}
         DEBUG_MODE: ${{ inputs.debug_mode }}
-        SHOULD_SKIP_CLONE: ${{ env.SKIP_GIT_CLONE == 'true' && env.CACHE_DOWNLOAD_FAILED == 'false'}}
-        ENABLE_CACHE: ${{ env.ENABLE_CACHE }}
         ENABLE_DEBUG_ARTIFACTS: ${{ env.ENABLE_DEBUG_ARTIFACTS }}
         RUN_ID: ${{ github.run_id }}
 
     - name: Upload artifacts
-      if: ${{ env.ENABLE_DEBUG_ARTIFACTS == 'true' || env.ENABLE_CACHE == 'true' }}
+      if: ${{ env.ENABLE_DEBUG_ARTIFACTS == 'true' }}
       uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
       with:
         retention-days: 7