Revert of [GN] Set v8_use_external_snapshot_data for the same configurations as GN.

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index f0de5a354ca3962cb92586ef0804c51c9b38c01f..73eb465851fa9ee85c17000848b843b0f5479119 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -5,7 +5,6 @@
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
-import("//build/module_args/v8.gni")
 import("//url/config.gni")
 
 # TODO(cjhopman): //build/config/android/rules.gni also imports grit_rule.gni.
@@ -1182,10 +1181,6 @@
       ]
     }
 
-    if (v8_use_external_startup_data) {
-      deps += [ "//gin" ]
-    }
-
     if (!use_nss_certs) {
       sources -= [ "ssl/client_cert_store_nss_unittest.cc" ]
       if (is_chromeos) {  # Already removed for all non-ChromeOS builds.