Removed non compatible targets

Author: cosmycoder

appveyor.yml

@@ -31,24 +31,14 @@ environment:
     MSYS_BITS: 64
   - TARGET: 1.6.0-i686-pc-windows-gnu
     MSYS_BITS: 32
-  - TARGET: 1.5.0-x86_64-pc-windows-msvc
-  - TARGET: 1.5.0-i686-pc-windows-msvc
   - TARGET: 1.5.0-x86_64-pc-windows-gnu
     MSYS_BITS: 64
   - TARGET: 1.5.0-i686-pc-windows-gnu
     MSYS_BITS: 32
-  - TARGET: 1.4.0-x86_64-pc-windows-msvc
-  - TARGET: 1.4.0-i686-pc-windows-msvc
   - TARGET: 1.4.0-x86_64-pc-windows-gnu
     MSYS_BITS: 64
   - TARGET: 1.4.0-i686-pc-windows-gnu
     MSYS_BITS: 32
-  - TARGET: 1.3.0-x86_64-pc-windows-msvc
-  - TARGET: 1.3.0-i686-pc-windows-msvc
-  - TARGET: 1.3.0-x86_64-pc-windows-gnu
-    MSYS_BITS: 64
-  - TARGET: 1.3.0-i686-pc-windows-gnu
-    MSYS_BITS: 32
 install:
   - git submodule update --init --recursive
   - ps: Start-FileDownload "https://static.rust-lang.org/dist/rust-${env:TARGET}.exe" -FileName "rust-install.exe"