.cabal: remove outdated conditional

Author: andreasabel

hackage-server.cabal

@@ -162,10 +162,10 @@ common defaults
     , vector                ^>= 0.12 || ^>= 0.13.0.0
     , zlib                  ^>= 0.6.2
 
-  ghc-options: -Wall -fwarn-tabs -fno-warn-unused-do-bind -fno-warn-deprecated-flags -funbox-strict-fields
-
-  if impl(ghc >= 8.2)
-    ghc-options: -Werror=incomplete-patterns -Werror=missing-methods
+  ghc-options:
+    -funbox-strict-fields
+    -Wall -fwarn-tabs -fno-warn-unused-do-bind -fno-warn-deprecated-flags
+    -Werror=incomplete-patterns -Werror=missing-methods
 
   if impl(ghc >= 8.10)
     ghc-options: -Wno-unused-record-wildcards