CI: Don't use rootless kde docker image

Author: TheOneRing

.github/workflows/main.yml

@@ -40,7 +40,7 @@ jobs:
             - name: linux-gcc-x86_64
               target: linux-64-gcc
               os: ubuntu-latest
-              container: invent-registry.kde.org/sysadmin/ci-images/sles15-craft:latest
+              #container: invent-registry.kde.org/sysadmin/ci-images/sles15-craft:latest
 
     name: ${{ matrix.name }}