Tweaked uninstalling constraints and removed unused code blocks
Tweaked uninstalling constraints and removed unused code blocks

sunzeboy/SnapKit,brittonmobile/SnapKit,jiwonsis/SnapKit,zhaoguohui/SnapKit,MaWenxing/SnapKit,BlessNeo/SnapKit,QuanGe/SnapKit,lioonline/SnapKit,zht415/SnapKit,hanangellove/SnapKit,ernestopino/SnapKit,loupman/SnapKit,aleffert/SnapKit,CoderJackyHuang/SnapKit,MaWenxing/SnapKit,sai43/SnapKit,imjerrybao/SnapKit,yujiaao/SnapKit,lioonline/SnapKit,brittonmobile/SnapKit,JummyHuang/SnapKit,Rdxer/SnapKit,ramoslin02/SnapKit,wmfgithub/SnapKit,pengleelove/SnapKit,zilaiyedaren/SnapKit,ernestopino/SnapKit,hanangellove/SnapKit,ArthurKK/SnapKit,dawangjiaowolaixunshan/SnapKit,CoderJWYang/SnapKit,CoderJackyHuang/SnapKit,HackRoy/SnapKit,msdgwzhy6/SnapKit,cnbin/SnapKit,JummyHuang/SnapKit,smalldu/SnapKit,wmfgithub/SnapKit,sandyway/SnapKit,1yvT0s/SnapKit,loupman/SnapKit,smalldu/SnapKit,HackRoy/SnapKit,CoderJFCK/SnapKit,aleffert/SnapKit,duanhjlt/SnapKit,SnapKit/SnapKit,bestwpw/SnapKit,BlessNeo/SnapKit,leasual/SnapKit,pengleelove/SnapKit,jiwonsis/SnapKit,leasual/SnapKit,Ju2ender/SnapKit,zhaoguohui/SnapKit,ArthurKK/SnapKit,yujiaao/SnapKit,SnapKit/SnapKit,zilaiyedaren/SnapKit,QuanGe/SnapKit,duanhjlt/SnapKit,sandyway/SnapKit,bestwpw/SnapKit,zht415/SnapKit,fhchina/SnapKit,398539445/SnapKit,sunzeboy/SnapKit,ramoslin02/SnapKit,398539445/SnapKit,Rdxer/SnapKit,cnbin/SnapKit,chengkaizone/SnapKit,msdgwzhy6/SnapKit,fhchina/SnapKit,chengkaizone/SnapKit,1yvT0s/SnapKit,Ju2ender/SnapKit,CoderJWYang/SnapKit,imjerrybao/SnapKit,CoderJFCK/SnapKit,dawangjiaowolaixunshan/SnapKit,sai43/SnapKit