Revert "Update firmware_build.yml"

This reverts commit 69fee2281077d5ebab898e37e8a72e1298a118fe.

.github/workflows/firmware_build.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   build_firmware:
-    name: RHC-internal-Z4
+#    name: RHC-internal-Z4
 #    runs-on: self-hosted
     name: Build firmware on GitHub using latest Ubuntu
     runs-on: ubuntu-latest