Set buildable on GHC 9.4

Author: 9999years

plugins/hls-refactor-plugin/hls-refactor-plugin.cabal

@@ -22,10 +22,6 @@ source-repository head
     location: https://github.com/haskell/haskell-language-server.git
 
 library
-  if impl(ghc >= 9.3)
-    buildable: False
-  else
-    buildable: True
   exposed-modules:  Development.IDE.GHC.ExactPrint
                     Development.IDE.GHC.Compat.ExactPrint
                     Development.IDE.Plugin.CodeAction
@@ -89,10 +85,6 @@ library
   default-language: Haskell2010
 
 test-suite tests
-  if impl(ghc >= 9.3)
-    buildable: False
-  else
-    buildable: True
   type:             exitcode-stdio-1.0
   default-language: Haskell2010
   hs-source-dirs:   test