Remove polymer 1 related entries from server.go

Change-Id: Ib2aa0ea01e0047e4d3da698f7d9753c63f3c39c1

polygerrit-ui/README.md

@@ -46,6 +46,9 @@ simply execute:
 
 ```sh
 ./polygerrit-ui/run-server.sh
+
+// or
+npm run start
 ```
 
 Then visit <http://localhost:8081>.
@@ -185,7 +188,7 @@ npm run polylint
 
 ## Template Type Safety
 
-> **Warning**: This feature is temporary disabled, because it doesn't work with Polymer 2 and Polymer 3. 
+> **Warning**: This feature is temporary disabled, because it doesn't work with Polymer 2 and Polymer 3.
 Some of the checks are made by polymer linter.
 
 

polygerrit-ui/server.go

@@ -43,8 +43,6 @@ var (
 	host                  = flag.String("host", "gerrit-review.googlesource.com", "Host to proxy requests to")
 	scheme                = flag.String("scheme", "https", "URL scheme")
 	cdnPattern            = regexp.MustCompile("https://cdn.googlesource.com/polygerrit_ui/[0-9.]*")
-	webComponentPattern   = regexp.MustCompile("webcomponentsjs-p2")
-	grAppPattern          = regexp.MustCompile("gr-app-p2")
 	bundledPluginsPattern = regexp.MustCompile("https://cdn.googlesource.com/polygerrit_assets/[0-9.]*")
 )
 
@@ -189,13 +187,9 @@ func rewriteHostPage(reader io.Reader) io.Reader {
 	buf.ReadFrom(reader)
 	original := buf.String()
 
-	// Replace the webcomponentsjs-p2 with webcomponentsjs
-	replaced := webComponentPattern.ReplaceAllString(original, "webcomponentsjs")
-	replaced = grAppPattern.ReplaceAllString(replaced, "gr-app")
-
 	// Simply remove all CDN references, so files are loaded from the local file system  or the proxy
 	// server instead.
-	replaced = cdnPattern.ReplaceAllString(replaced, "")
+	replaced := cdnPattern.ReplaceAllString(original, "")
 
 	// Modify window.INITIAL_DATA so that it has the same effect as injectLocalPlugins. To achieve
 	// this let's add JavaScript lines at the end of the <script>...</script> snippet that also