appveyor.yml in squib-0.9.0 vs appveyor.yml in squib-0.10.0

- old
+ new

@@ -2,13 +2,9 @@
 
 skip_tags: true
 
 environment:
   matrix:
-    - ruby_version: "200"
-    - ruby_version: "200-x64"
-    - ruby_version: "21"
-    - ruby_version: "21-x64"
     - ruby_version: "22"
     - ruby_version: "22-x64"
 
 install:
   - SET PATH=C:\Ruby%ruby_version%\bin;%PATH%