*: Do not specify pd version (#1126)
*: Do not specify pd version (#1126)

pd move vendor to cmd directory, so we do not need to specify its version now.
ngaut/tidb,zimulala/tidb,wusphinx/tidb,ueizhou/tidb,pingcap/tidb,astaxie/tidb,yuanwhy/tidb,Nify/tidb,gaocegege/tidb,qhsong/tidb,louishust/tidb,silentred/tidb,anywhy/tidb,liyu4/tidb,8cbx/tidb,zs634134578/tidb,pingcap/tidb,8cbx/tidb,ngaut/tidb,c4pt0r/tidb,yangwenmai/tidb,c4pt0r/tidb,anywhy/tidb,kyle-wang/tidb,cosmtrek/tidb,liyu4/tidb,wusphinx/tidb,Cofyc/tidb,qiuyesuifeng/tidb,gaocegege/tidb,XuHuaiyu/tidb,yuanwhy/tidb,qiuyesuifeng/tidb,spongedu/tidb,kyle-wang/tidb,c4pt0r/tidb,andelf/tidb,cosmtrek/tidb,EvilMcJerkface/tidb,JinheLin/tidb,CodeRushing/tidb,ngaut/tidb,c4pt0r/tidb,c4pt0r/tidb,simon-xia/tidb,ming-relax/tidb,coocood/tidb,astaxie/tidb,zimulala/tidb,coocood/tidb,silenceper/tidb,ming-relax/tidb,andelf/tidb,kyle-wang/tidb,spongedu/tidb,louishust/tidb,CodeRushing/tidb,qhsong/tidb,XuHuaiyu/tidb,tiancaiamao/tidb,Nify/tidb,tiancaiamao/tidb,kyle-wang/tidb,JinheLin/tidb,pingcap/tidb,simon-xia/tidb,kyle-wang/tidb,mccxj/tidb,pingcap/tidb,silentred/tidb,Cofyc/tidb,yangwenmai/tidb,myrice/tidb,ngaut/tidb,myrice/tidb,ngaut/tidb,ueizhou/tidb,pingcap/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,mccxj/tidb,kyle-wang/tidb,pingcap/tidb,ngaut/tidb,silenceper/tidb,zs634134578/tidb