Clean up the compatability matrix to remove old beta releases.

Author: brendandburns

README.md

@@ -130,12 +130,8 @@ All APIs and Models' documentation can be found at the [Generated client's READM
 |-------------------------|----------------|----------------|----------------|----------------|----------------|-----------|-----------|
 | 0.1.0        | +              | +              | ✓              | -              | -              | -         | -        |
 | 0.2.0        | +              | +              | ✓              | -              | -              | -         | -        |
-| 1.0.0-beta1  | +              | +              | +              | +              | ✓              | -         | -        |
-| 1.0.0-beta2  | +              | +              | +              | +              | ✓              | -         | -        |
-| 1.0.0-beta3  | +              | +              | +              | +              | ✓              | -         | -        |
-| 1.0.0-beta4  | +              | +              | +              | +              | ✓              | -         | -        |
 | 1.0.0        | +              | +              | +              | +              | ✓              | -         | -        |
-| 2.0.0-beta1  | +              | +              | +              | +              | +              | +         | ✓        |
+| 2.0.0-beta2  | +              | +              | +              | +              | +              | +         | ✓        |
 
 Key: