tools/gn: Remove code for forward_dependent_configs_from variable.

tools/gn/functions_target.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "tools/gn/functions.h"
 
 #include "tools/gn/config_values_generator.h"
 #include "tools/gn/err.h"
 #include "tools/gn/parse_tree.h"
 #include "tools/gn/scope.h"
 #include "tools/gn/target_generator.h"
 #include "tools/gn/template.h"
 #include "tools/gn/value.h"
 #include "tools/gn/variables.h"
 
 #define DEPENDENT_CONFIG_VARS \
     "  Dependent configs: all_dependent_configs, public_configs\n"
 #define DEPS_VARS \
-    "  Deps: data_deps, deps, forward_dependent_configs_from, public_deps\n"
+    "  Deps: data_deps, deps, public_deps\n"
 #define GENERAL_TARGET_VARS \
     "  General: check_includes, configs, data, inputs, output_name,\n" \
     "           output_extension, public, sources, testonly, visibility\n"
 
 namespace functions {
 
 namespace {
 
 Value ExecuteGenericTarget(const char* target_type,
                            Scope* scope,
@@ skipping 293 matching lines @@
 const char kGroup_HelpShort[] =
     "group: Declare a named group of targets.";
 const char kGroup_Help[] =
     "group: Declare a named group of targets.\n"
     "\n"
     "  This target type allows you to create meta-targets that just collect a\n"
     "  set of dependencies into one named target. Groups can additionally\n"
     "  specify configs that apply to their dependents.\n"
     "\n"
     "  Depending on a group is exactly like depending directly on that\n"
-    "  group's deps. Direct dependent configs will get automatically\n"
-    "  forwarded through the group so you shouldn't need to use\n"
-    "  \"forward_dependent_configs_from.\n"
+    "  group's deps. \n"
     "\n"
     "Variables\n"
     "\n"
     DEPS_VARS
     DEPENDENT_CONFIG_VARS
     "\n"
     "Example\n"
     "\n"
     "  group(\"all\") {\n"
     "    deps = [\n"
@@ skipping 175 matching lines @@
   const Template* templ = scope->GetTemplate(target_type);
   if (templ)
     return templ->Invoke(scope, function, sub_args, block, err);
 
   // Otherwise, assume the target is a built-in target type.
   return ExecuteGenericTarget(target_type.c_str(), scope, function, sub_args,
                               block, err);
 }
 
 }  // namespace functions