Revert "try to remove python signature because of this pyinstaller/pyinstaller#5062 (comment)"

This reverts commit b83ab9a.

Author: umbynos

.github/workflows/release.yml

@@ -83,9 +83,7 @@ jobs:
       - name: Build macOS
         if: matrix.os == 'macos-10.15'
         working-directory: ${{ env.MCUBOOT_PATH }}/scripts/
-        run: |
-          codesign --remove-signature Python
-          pyinstaller --osx-entitlements-file ${{ env.IMGTOOL_PACKING_PATH }}/entitlements.plist --onefile main.py -n ${{ env.PROJECT_NAME }}
+        run: pyinstaller --osx-entitlements-file ${{ env.IMGTOOL_PACKING_PATH }}/entitlements.plist --onefile main.py -n ${{ env.PROJECT_NAME }}
 
       - name: Package
         if: matrix.os == 'windows-latest'