osbuild: drop patchset given OSBuild v137 release

All patches are upstream and released so we can drop these now.
Notably this includes initial full upstream support for building
live artifacts using OSBuild [1].

[1] osbuild/osbuild#1947

build.sh

@@ -173,10 +173,8 @@ patch_osbuild() {
     mv /usr/bin/osbuild-mpp /usr/lib/osbuild/tools/
 
     # Now all the software is under the /usr/lib/osbuild dir and we can patch
-    cat /usr/lib/coreos-assembler/0001-osbuild-remoteloop-add-more-loop-device-options.patch      \
-        /usr/lib/coreos-assembler/0001-util-osrelease.py-Replaced-string-stripping-with-shl.patch \
-        /usr/lib/coreos-assembler/0005-stages-add-coreos.live-artifacts.mono-stage.patch          \
-            | patch -d /usr/lib/osbuild -p1
+    cat patch.patch \
+        | patch -d /usr/lib/osbuild -p1
 
     # And then move the files back; supermin appliance creation will need it back
     # in the places delivered by the RPM.
@@ -199,5 +197,5 @@ else
   install_ocp_tools
   trust_redhat_gpg_keys
   configure_user
-  patch_osbuild
+ #patch_osbuild
 fi