Remove cc_proto_library load from BUILD files to unbreak the build.

PiperOrigin-RevId: 270109177
Change-Id: I0cbed23136fc5602eecc836e70a9797fa8f731eb
diff --git a/src/main/proto/search/now/ui/piet/BUILD b/src/main/proto/search/now/ui/piet/BUILD
index 3651681..b98fc34 100644
--- a/src/main/proto/search/now/ui/piet/BUILD
+++ b/src/main/proto/search/now/ui/piet/BUILD
@@ -1,5 +1,3 @@
-load("//tools/build_defs/proto/cpp:cc_proto_library.bzl", "cc_proto_library")
-
 package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])  # Apache 2
diff --git a/src/main/proto/search/now/wire/feed/BUILD b/src/main/proto/search/now/wire/feed/BUILD
index 4ed1bb6..b4cb6ad 100644
--- a/src/main/proto/search/now/wire/feed/BUILD
+++ b/src/main/proto/search/now/wire/feed/BUILD
@@ -1,5 +1,3 @@
-load("//tools/build_defs/proto/cpp:cc_proto_library.bzl", "cc_proto_library")
-
 package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])  # Apache 2