Eval plugin is now supported in 9.4 (#3508)

Author: michaelpj

docs/support/plugin-support.md

@@ -49,7 +49,7 @@ For example, a plugin to provide a formatter which has itself been abandoned has
 | `hls-cabal-fmt-plugin`              | 2    |                          |
 | `hls-class-plugin`                  | 2    |                          |
 | `hls-change-type-signature-plugin`  | 2    |                          |
-| `hls-eval-plugin`                   | 2    | 9.4                      |
+| `hls-eval-plugin`                   | 2    |                          |
 | `hls-explicit-fixity-plugin`        | 2    |                          |
 | `hls-explicit-record-fields-plugin` | 2    |                          |
 | `hls-floskell-plugin`               | 2    |                          |