build/config: No need to handle direct_dependent_configs in GN build.

build/config/BUILDCONFIG.gn

Index: build/config/BUILDCONFIG.gn
diff --git a/build/config/BUILDCONFIG.gn b/build/config/BUILDCONFIG.gn
index 5822d61a06f80a99575f6e99886b637e85d439c2..4b82783ed96e2548944743af3153be78a115526f 100644
--- a/build/config/BUILDCONFIG.gn
+++ b/build/config/BUILDCONFIG.gn
@@ -659,9 +659,6 @@ template("component") {
           "//build/config/sanitizers:deps",
         ]
       }
-      if (defined(invoker.direct_dependent_configs)) {
-        direct_dependent_configs = invoker.direct_dependent_configs
-      }
       if (defined(invoker.forward_dependent_configs_from)) {
         forward_dependent_configs_from = invoker.forward_dependent_configs_from
       }
@@ -750,9 +747,6 @@ template("component") {
       if (defined(invoker.deps)) {
         deps = invoker.deps
       }
-      if (defined(invoker.direct_dependent_configs)) {
-        direct_dependent_configs = invoker.direct_dependent_configs
-      }
       if (defined(invoker.forward_dependent_configs_from)) {
         forward_dependent_configs_from = invoker.forward_dependent_configs_from
       }