Get rid of now unnecessary SCons-isms for gyp on Linux

build/temp_gyp/v8.gyp

Index: build/temp_gyp/v8.gyp
===================================================================
--- build/temp_gyp/v8.gyp	(revision 11450)
+++ build/temp_gyp/v8.gyp	(working copy)
@@ -265,10 +265,6 @@
             '<(SHARED_INTERMEDIATE_DIR)/v8/libraries-empty.cc',
           ],
           'action': ['python', '../../v8/tools/js2c.py', '<@(_outputs)', 'CORE', '<@(library_files)'],
-          # TODO(sgk):  figure out how to get gyp and SCons to play nice here.
-          'conditions': [
-            ['OS=="linux"', {'action=': ['python', '${SOURCES[0]}', '${TARGETS}', 'CORE', '${SOURCES[1:]}'],}],
-          ],
         },
       ],
     },
@@ -295,10 +291,6 @@
             '<(SHARED_INTERMEDIATE_DIR)/v8/d8-js-empty.cc',
           ],
           'action': ['python', '../../v8/tools/js2c.py', '<@(_outputs)', 'D8', '<@(library_files)'],
-          # TODO(sgk):  figure out how to get gyp and SCons to play nice here.
-          'conditions': [
-            ['OS=="linux"', {'action=': ['python', '${SOURCES[0]}', '${TARGETS}', 'D8', '${SOURCES[1:]}'],}],
-          ],
         },
       ],
     },