Remove CONTENT_ID_UNIFICATION from Capabilities

PiperOrigin-RevId: 295991131
Change-Id: I92e19511dc691f1545b7f825cde2dfe3e917566b
diff --git a/src/main/proto/search/now/wire/feed/capability.proto b/src/main/proto/search/now/wire/feed/capability.proto
index 06298a7..0dfc0da 100644
--- a/src/main/proto/search/now/wire/feed/capability.proto
+++ b/src/main/proto/search/now/wire/feed/capability.proto
@@ -34,8 +34,7 @@
   ARTICLE_SNIPPETS = 8;
   CAROUSELS = 9;
   ELEMENTS = 10;
-  CONTENT_ID_UNIFICATION = 11;
   SEND_FEEDBACK = 12;
 
-  reserved 3;
+  reserved 3, 11;
 }