Added Buildifier ignore for bzl files left around after building >=onos-2.3

Change-Id: I83b26956cc15d616ee363a0ca31faca1d54b9f84
diff --git a/BUILD b/BUILD
index 54c52d9..5889594 100644
--- a/BUILD
+++ b/BUILD
@@ -178,12 +178,22 @@
 
 buildifier(
     name = "buildifier_check",
-    exclude_patterns = ["./tools/build/bazel/generate_workspace.bzl"],
+    exclude_patterns = [
+        "./tools/build/bazel/generate_workspace.bzl",
+        "./web/gui2/node_modules/@angular/bazel/src/esm5.bzl",
+        "./web/gui2/node_modules/@bazel/typescript/internal/common/tsconfig.bzl",
+        "./web/gui2/node_modules/@bazel/typescript/internal/common/compilation.bzl",
+    ],
     mode = "check",
 )
 
 buildifier(
     name = "buildifier_fix",
-    exclude_patterns = ["./tools/build/bazel/generate_workspace.bzl"],
+    exclude_patterns = [
+        "./tools/build/bazel/generate_workspace.bzl" +
+        "./web/gui2/node_modules/@angular/bazel/src/esm5.bzl",
+        "./web/gui2/node_modules/@bazel/typescript/internal/common/tsconfig.bzl",
+        "./web/gui2/node_modules/@bazel/typescript/internal/common/compilation.bzl",
+    ],
     mode = "fix",
 )