Remove redundant blank lines
Remove redundant blank lines

caiqinghua/wechat,EndingChaung/wechat,Eric-Guo/wechat,Eric-Guo/wechat,zyxstar/wechat-rails,TangMonk/wechat,Dearest/wechat-1,samchen2009/wechat-rails,Dearest/wechat-1,zfben/wechat,caiqinghua/wechat,skinnyworm/wechat-rails,caiqinghua/wechat,wolflee/wechat-rails,samchen2009/wechat-rails,zyxstar/wechat-rails,JeeLiu/wechat,wolflee/wechat-rails,yxf/wechat,Dearest/wechat-1,samchen2009/wechat-rails,zyxstar/wechat-rails