[Android] remove unnecessary method for non-optimization build
[Android] remove unnecessary method for non-optimization build

The `opt_level’ method in lib/motion/project/config.rb will be used

HipByte/RubyMotion,HipByte/RubyMotion,katsuyoshi/RubyMotion,katsuyoshi/RubyMotion,katsuyoshi/RubyMotion,hboon/RubyMotion,hboon/RubyMotion,katsuyoshi/RubyMotion,hboon/RubyMotion,HipByte/RubyMotion