remove dead code for scalar type

gyp/common.gypi

 # Copyright 2011 The Android Open Source Project
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # This file is automatically included by gyp_skia when building any target.
 
 {
   'includes': [
     'common_variables.gypi',
@@ skipping 32 matching lines @@
         }],
         [ 'skia_os == "chromeos" and OS != "linux"', {
           'error': '<!(Skia ChromeOS build is only supported on Linux.)',
         }],
       ],
     },
     'includes': [
       'common_conditions.gypi',
     ],
     'conditions': [
-      [ 'skia_scalar == "float"',
-        {
-          'defines': [
-            'SK_SCALAR_IS_FLOAT',
-          ],
-        }, { # else, skia_scalar != "float"
-          'defines': [
-            'SK_SCALAR_IS_FIXED',
-          ],
-        }
-      ],
       [ 'skia_mesa', {
         'defines': [
           'SK_MESA',
         ],
         'direct_dependent_settings': {
           'defines': [
             'SK_MESA',
           ],
         },
       }],
@@ skipping 23 matching lines @@
           'Release': { 'defines': [ 'NDEBUG' ] },
           'Release_Developer': {
             'inherit_from': ['Release'],
             'defines': [ 'SK_DEVELOPER=1' ],
           },
         },
       }],
     ],
   }, # end 'target_defaults'
 }