Remove OverloadedRecordDot

(Sad trombone noises)

This makes the code so much worse!! This makes me so sad!! I should be
able to use record field names for local variable names!!!

Author: 9999years

cabal-validate/cabal-validate.cabal

@@ -15,9 +15,6 @@ executable cabal-validate
     default-language: Haskell2010
     default-extensions:
         OverloadedStrings
-        , NoFieldSelectors
-        , DuplicateRecordFields
-        , OverloadedRecordDot
         , TypeApplications
     ghc-options: -O -threaded -rtsopts -with-rtsopts=-N