Drop hie-compat 8.6 (review-feedback)

Author: andys8

Diff for: hie-compat/hie-compat.cabal

@@ -1,10 +1,10 @@
 cabal-version:       1.22
 name:                hie-compat
 version:             0.3.0.0
-synopsis:            HIE files for GHC 8.6 and other HIE file backports
+synopsis:            HIE files for GHC 8.8 and other HIE file backports
 license:             Apache-2.0
 description:
-  Backports for HIE files to GHC 8.6, along with a few other backports
+  Backports for HIE files to GHC 8.8, along with a few other backports
   of HIE file related fixes for ghcide.
 
   THIS DOES NOT LET YOU READ HIE FILES WITH MISMATCHED VERSIONS OF GHC
@@ -46,8 +46,6 @@ library
     Compat.HieDebug
     Compat.HieUtils
 
-  if (impl(ghc > 8.5) && impl(ghc < 8.7) && !flag(ghc-lib))
-    hs-source-dirs: src-ghc86
   if (impl(ghc > 8.7) && impl(ghc < 8.10))
     hs-source-dirs: src-ghc88 src-reexport
   if (impl(ghc > 8.9) && impl(ghc < 8.11))