rm redundant copy file

Author: m4rc1e

.github/workflows/build.yaml

@@ -107,8 +107,6 @@ jobs:
         with:
           name: ${{ env.ZIP_NAME }}
           path: ${{ env.ZIP_NAME }}
-      - name: Copy DESCRIPTION.en_us.html to release directory
-        run: cp documentation/DESCRIPTION.en_us.html ${{ env.ZIP_NAME }}/DESCRIPTION.en_us.html
       - name: Copy ARTICLE.en_us.html to release directory
         run: cp documentation/ARTICLE.en_us.html ${{ env.ZIP_NAME }}/ARTICLE.en_us.html
         continue-on-error: true