remove unneeded code
remove unneeded code

gemu2015/cocotron-sierra,JackLian/cocotron,guestOS/guestOS,cjwl/cocotron,JackLian/cocotron,cneira/cocotron,JackLian/cocotron,cyclaero/cocotron,ruppmatt/cocotron,cyclaero/cocotron,cyclaero/cocotron,ruppmatt/cocotron,cjwl/cocotron,crystax/android-vendor-cocotron,yuhangwang/cocotron,ruppmatt/cocotron,cjwl/cocotron,Suninus/cocotron,cneira/cocotron,cjwl/cocotron,cneira/cocotron,guestOS/guestOS,guestOS/guestOS,cyclaero/cocotron,JackLian/cocotron,yuhangwang/cocotron,cneira/cocotron,gemu2015/cocotron-sierra,crystax/android-vendor-cocotron,crystax/android-vendor-cocotron,Suninus/cocotron,Suninus/cocotron,yuhangwang/cocotron,Suninus/cocotron,gemu2015/cocotron-sierra,yuhangwang/cocotron,gemu2015/cocotron-sierra,ruppmatt/cocotron,guestOS/guestOS,crystax/android-vendor-cocotron