Relocated list of OccName prefixes from the Completions plugin to the CoreFile module. Updated the check for GHC-generated OccName prefixes in AtPoint to use the shared list of OccName prefixes.

Author: drone29a

ghcide/src/Development/IDE/Spans/AtPoint.hs

@@ -34,6 +34,7 @@ import           Development.IDE.Core.PositionMapping
 import           Development.IDE.Core.RuleTypes
 import           Development.IDE.GHC.Compat
 import qualified Development.IDE.GHC.Compat.Util      as Util
+import           Development.IDE.GHC.CoreFile         (occNamePrefixes)
 import           Development.IDE.GHC.Util             (printOutputable)
 import           Development.IDE.Spans.Common
 import           Development.IDE.Types.Options