Remove more targets from GN Windows build.

content/shell/BUILD.gn

Index: content/shell/BUILD.gn
diff --git a/content/shell/BUILD.gn b/content/shell/BUILD.gn
index 7903e6ab181c2d63521ecb6d39bff32b14a9a597..c1282aa27873d1052ff0a09fdc6f51d5e061270d 100644
--- a/content/shell/BUILD.gn
+++ b/content/shell/BUILD.gn
@@ -481,7 +481,7 @@ repack("pak") {
 
 # TODO(GYP): Figure out what this should be on android
 # and make linking this work on the Mac.
-if (!is_android && !is_mac) {
+if (!is_android && !is_mac && (!is_win || link_chrome_on_windows)) {
   executable("content_shell") {
     testonly = true
 
@@ -520,4 +520,7 @@ if (!is_android && !is_mac) {
       ]
     }
   }
+} else {
+  group("content_shell") {
+  }
 }