ci: Don't account for SCHUTZ_OSBUILD variable

if you want to use a custom osbuild.rpm you can supply that in REPO_URL,
no?

Note: this removal of .repo files breaks building the -tests RPM from
source in downstream branches/nightlies b/c the repo is defined in
osbuild-composer.repo

schutzbot/deploy.sh

@@ -110,13 +110,6 @@ fi
 if [ -f "rhel${VERSION_ID%.*}internal.repo" ]; then
     greenprint "Preparing repos for internal build testing"
     sudo mv rhel"${VERSION_ID%.*}"internal.repo /etc/yum.repos.d/
-    # Use osbuild from schutzfile if desired for testing custom osbuild-composer packages
-    # specified by $REPO_URL in ENV and used in prepare-rhel-internal.sh
-    if [ "${SCHUTZ_OSBUILD:=false}" == true ]; then
-        sudo rm -f /etc/yum.repos.d/osbuild-composer.repo
-    else
-        sudo rm -f /etc/yum.repos.d/osbuild*.repo
-    fi
 fi
 
 greenprint "Installing test packages for ${PROJECT}"