Remove vestigial GYP_GONE test targets.

BUG=pdfium:702

Review-Url: https://codereview.chromium.org/2814743003
diff --git a/testing/test.gni b/testing/test.gni
index 01b51cc..eeda272 100644
--- a/testing/test.gni
+++ b/testing/test.gni
@@ -188,15 +188,6 @@
         deps += [ ":$_apk_target" ]
       }
     }
-
-    # TODO(GYP_GONE): Delete this after we've converted everything to GN.
-    # The _run targets exist only for compatibility w/ GYP.
-    group("${target_name}_apk_run") {
-      testonly = true
-      deps = [
-        ":${invoker.target_name}",
-      ]
-    }
   } else if (is_ios) {
     import("//build/config/ios/rules.gni")
 
@@ -266,15 +257,6 @@
       ]
     }
 
-    # TODO(GYP_GONE): Delete this after we've converted everything to GN.
-    # The _run targets exist only for compatibility with GYP.
-    group("${target_name}_run") {
-      testonly = true
-      deps = [
-        ":${invoker.target_name}",
-      ]
-    }
-
     if (defined(invoker.output_name) && target_name != invoker.output_name) {
       group("${invoker.output_name}_run") {
         testonly = true