Enable shared library build

gyp/SimpleiOSApp.gyp

 {
   'conditions' : [
     [ 'skia_os != "ios"', {
       'error': '<!(set GYP_DEFINES=\"skia_os=\'ios\'\")'
     }],
   ],
   'targets': [
     {
       'target_name': 'SimpleiOSApp',
       'type': 'executable',
@@ skipping 11 matching lines @@
         '../experimental/iOSSampleApp/iPhone/AppDelegate_iPhone.mm',
         '../experimental/iOSSampleApp/Shared/SkUIView.h',
         '../experimental/iOSSampleApp/Shared/SkUIView.mm',
         '../experimental/iOSSampleApp/Shared/skia_ios.mm',
         '../experimental/SimpleiOSApp/SimpleApp.h',
         '../experimental/SimpleiOSApp/SimpleApp.mm',
         '../experimental/SimpleiOSApp/SimpleiOSApp-Info.plist',
       ],
       'dependencies': [
         'skia_base_libs.gyp:skia_base_libs',
-        'effects.gyp:effects',
-        'images.gyp:images',
         'views.gyp:views',
         'xml.gyp:xml',
       ],
       'link_settings': {
         'libraries': [
           '$(SDKROOT)/System/Library/Frameworks/CoreGraphics.framework',
           '$(SDKROOT)/System/Library/Frameworks/CoreText.framework',
           '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
           '$(SDKROOT)/System/Library/Frameworks/ImageIO.framework',
           '$(SDKROOT)/System/Library/Frameworks/MobileCoreServices.framework',
@@ skipping 18 matching lines @@
       ],
     },
   ],
 }
 
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