build: remove @angular/upgrade from dev dependencies (#14068)

* Removes `@angular/upgrade` from the dev dependencies.

Author: devversion

package.json

@@ -54,7 +54,6 @@
     "@angular/platform-browser-dynamic": "^7.0.3",
     "@angular/platform-server": "^7.0.3",
     "@angular/router": "^7.0.3",
-    "@angular/upgrade": "^7.0.3",
     "@bazel/ibazel": "0.6.0",
     "@bazel/karma": "0.20.3",
     "@bazel/typescript": "0.20.3",

yarn.lock

@@ -126,13 +126,6 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/upgrade@^7.0.3":
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/@angular/upgrade/-/upgrade-7.0.3.tgz#8cb3784f19e4f63130ab3595f8b6076a9a8ce07b"
-  integrity sha512-XjFUh4Sr74eQFtGu6OASlbZ9ShZMvm94h1ur67ZW2pKvFFn1eXkEO8hTA9QWONwZ19TfisSeoEYlrDyzuA2eDA==
-  dependencies:
-    tslib "^1.9.0"
-
 "@babel/code-frame@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"