Fix wrong allow-newer brittany entries

Author: pepeiborra

cabal.project

@@ -60,12 +60,6 @@ allow-newer:
   retrie:ghc-exactprint,
 
   -- for brittany
-  brittany:ghc-boot,
-  brittany:ghc-boot-th,
-  brittany:ghc,
-  brittany:ghc-exactprint,
-  brittany:bytestring,
-  brittany:base,
   -- https://github.com/lspitzner/multistate/pull/8
   multistate:base,
   -- https://github.com/lspitzner/data-tree-print/pull/3

plugins/hls-brittany-plugin/hls-brittany-plugin.cabal

@@ -17,6 +17,10 @@ extra-source-files:
   test/testdata/**/*.hs
 
 library
+  if impl(ghc >= 9.2)
+    buildable: False
+  else
+    buildable: True
   exposed-modules:  Ide.Plugin.Brittany
   hs-source-dirs:   src
   build-depends: