ci: cleanup obsolete comment

Author: Flash0ver

.github/actions/freediskspace/action.yml

@@ -19,7 +19,9 @@ runs:
     #  514M	/usr/lib/llvm-15
     #  486M	/usr/lib/llvm-14
     #  448M	/usr/lib/llvm-13
-    - name: Remove unused applications
+swap-storage: true
+
+- name: Remove unused applications
       if: runner.os == 'Linux'
       shell: bash
       run: |