No longer need to fix file permissions

As actions/deploy-pages#188 got fixed.

action.yml

@@ -104,19 +104,8 @@ runs:
       uses: actions/configure-pages@v2
       if: ${{ inputs.publish == 'true' }}
 
-    - name: Fix file permissions
-      shell: sh
-      if: runner.os == 'Linux'
-      run: |
-        chmod -c -R +rX "$INPUT_PATH" |
-        while read line; do
-           echo "::warning title=Invalid file permissions automatically fixed::$line"
-        done
-      env:
-        INPUT_PATH: ${{ steps.build.outputs.artifact }}
-
     - name: Upload artifact
-      uses: actions/upload-pages-artifact@v1
+      uses: actions/upload-pages-artifact@v2
       if: ${{ inputs.publish == 'true' }}
       with:
         path: ${{ steps.build.outputs.artifact }}