MT#55283 exclude non existent file from shellcheck

Change-Id: I4c17a588320d336375f431ca2aa5b0729cce6058

.github/workflows/shellcheck.yml

@@ -26,4 +26,4 @@ jobs:
       run: shellcheck --version
 
     - name: Shellcheck execution
-      run: shellcheck --exclude=SC1090,SC1091 debian/*.init debian/*.post* debian/*.pre* debian/*-setup el/*.init tests/simulator-tcp.sh utils/patch-kernel
+      run: shellcheck --exclude=SC1090,SC1091 debian/*.init debian/*.post* debian/*.pre* debian/*-setup el/*.init tests/simulator-tcp.sh