since we use vendor directory, remove gopm installation support

README.md

@@ -46,8 +46,6 @@ Drivers for Go's sql package which currently support database/sql includes:
 
 * MsSql: [github.com/denisenkom/go-mssqldb](https://github.com/denisenkom/go-mssqldb)
 
-* MsSql: [github.com/lunny/godbc](https://github.com/lunny/godbc)
-
 * Oracle: [github.com/mattn/go-oci8](https://github.com/mattn/go-oci8) (experiment)
 
 # Changelog
@@ -79,12 +77,6 @@ methods can use `builder.Cond` as parameter
 
 # Installation
 
-If you have [gopm](https://github.com/gpmgo/gopm) installed,
-
-	gopm get github.com/go-xorm/xorm
-
-Or
-
 	go get github.com/go-xorm/xorm
 
 # Documents

README_CN.md

@@ -81,12 +81,6 @@ xorm是一个简单而强大的Go语言ORM库. 通过它可以使数据库操作
 
 ## 安装
 
-推荐使用 [gopm](https://github.com/gpmgo/gopm) 进行安装：
-
-	gopm get github.com/go-xorm/xorm
-
-或者您也可以使用go工具进行安装：
-
 	go get github.com/go-xorm/xorm
 
 ## 文档