Skip litmus on docs-only title

.drone.star

@@ -2453,6 +2453,9 @@ def fixSharedDataPermissions():
 def litmus(ctx, storage):
     pipelines = []
 
+    if ("docs-only" in ctx.build.title.lower()):
+        return pipelines
+
     if (config["litmus"] == False):
         return pipelines