remove unneeded flags for android

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 35 matching lines @@
       ],
     },
     'includes': [
       'common_conditions.gypi',
     ],
     'conditions': [
       [ 'skia_scalar == "float"',
         {
           'defines': [
             'SK_SCALAR_IS_FLOAT',
-            'SK_CAN_USE_FLOAT',
           ],
         }, { # else, skia_scalar != "float"
           'defines': [
             'SK_SCALAR_IS_FIXED',
-            'SK_CAN_USE_FLOAT',  # we can still use floats along the way
           ],
         }
       ],
       [ 'skia_mesa', {
         'defines': [
           'SK_MESA',
         ],
         'direct_dependent_settings': {
           'defines': [
             'SK_MESA',
@@ skipping 37 matching lines @@
             'inherit_from': ['Release'],
             'defines': [
               'SK_DEVELOPER=1',
             ],
           },
         },
       }],
     ],
   }, # end 'target_defaults'
 }