ci: fix rm flags

.gitlab-ci.yml

@@ -91,7 +91,7 @@ Check style:
         ${CI_JOB_URL}/artifacts/raw/${STYLE_PATCH}.\n${DEFAULT}"
         } || {
           printf "${RED}The issues cannot be resolved with a patch.\n${DEFAULT}"
-          rm -rf "${STYLE_PATCH}"
+          rm -f "${STYLE_PATCH}"
         }
         printf "${RED}You can reproduce this check locally with \`pre-commit run --all-files\`.
       See also ${CI_PROJECT_URL}/-/blob/${CI_DEFAULT_BRANCH}/CONTRIBUTING.md#coding-style.\n${DEFAULT}"
@@ -176,7 +176,7 @@ include:
         printf "${DEFAULT}"
         exit 1
       }
-      rm -rf "${BUILD_LOG}" "${compiler_warnings}"
+      rm -f "${BUILD_LOG}" "${compiler_warnings}"
     - |
       # Check if there are untracked files
       untracked_files=$( \