server: Remove deadcode/deprecated code. (#2088)

appveyor.yml

@@ -1,6 +1,10 @@
-# Operating system (build VM template)
-os: Visual Studio 2015
+# version format
+version: "{build}"
 
+# Operating system (build VM template)
+os: Windows Server 2012 R2
+
+# Platform.
 platform: x64
 
 clone_folder: c:\gopath\src\github.com\minio\minio
@@ -8,19 +12,13 @@ clone_folder: c:\gopath\src\github.com\minio\minio
 # environment variables
 environment:
   GOPATH: c:\gopath
-  GO_EXTLINK_ENABLED: 0
   GO15VENDOREXPERIMENT: 1
 
 # scripts that run after cloning repository
 install:
-  - '"C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64'
   - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
-  - rd C:\Go /s /q
-  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.6.windows-amd64.zip
-  - 7z x go1.6.windows-amd64.zip -oC:\ >nul
   - go version
   - go env
-  - cd %GOPATH%\src\github.com\minio\minio
 
 # to run your custom scripts instead of automatic MSBuild
 build_script: