mark test as no longer failing

Author: pepeiborra

ghcide/test/exe/Main.hs

@@ -3838,9 +3838,6 @@ checkFileCompiles fp diag =
 pluginSimpleTests :: TestTree
 pluginSimpleTests =
   ignoreInWindowsForGHC88And810 $
-#if __GLASGOW_HASKELL__ == 810 && __GLASGOW_HASKELL_PATCHLEVEL1__ == 5
-  expectFailBecause "known broken for ghc 8.10.5 (see GHC #19763)" $
-#endif
   testSessionWithExtraFiles "plugin-knownnat" "simple plugin" $ \dir -> do
     _ <- openDoc (dir </> "KnownNat.hs") "haskell"
     liftIO $ writeFile (dir</>"hie.yaml")