Revert "Create new GitHub repository for hosting SVG images and icons (…

…#5)

(#4)"

This reverts commit 67428ca. Keeping
the SVG files directly in the base repository decreases the maintenance
work, rendering the windowbuilder-images repository unused.

Given that it is effectively empty, it should be safe to simply delete
it.

otterdog/eclipse-windowbuilder.jsonnet

@@ -82,15 +82,5 @@ orgs.newOrg('eclipse-windowbuilder') {
         enabled: false,
       },
     },
-    orgs.newRepo('windowbuilder-images') {
-      allow_merge_commit: true,
-      default_branch: "master",
-      delete_branch_on_merge: false,
-      description: "Eclipse Windowbuilder SVG Images and Icons",
-      web_commit_signoff_required: false,
-      workflows+: {
-        enabled: false,
-      },
-    },
   ],
 }