Update podspec to remove SwinjectStoryboard source files from source_files setting.
Update podspec to remove SwinjectStoryboard source files from source_files setting.

yoichitgy/Swinject,Swinject/Swinject,yoichitgy/Swinject,yoichitgy/Swinject,yoichitgy/Swinject,Swinject/Swinject,Swinject/Swinject,Swinject/Swinject