wta: Remove redundant imports

src/random-wta/Main.hs

@@ -9,7 +9,6 @@ module Main (main) where
 import           Data.Vector                    ( Vector )
 import qualified Data.Vector                   as V
 import qualified Data.Text.Lazy.IO             as T
-import           Data.Text                      ( Text )
 import qualified Data.Text.Lazy.Builder        as Build
 import qualified Options.Applicative           as Options
 import qualified Text.Megaparsec               as Mega
@@ -17,7 +16,6 @@ import qualified Text.Megaparsec.Char          as Mega
 import qualified Text.Megaparsec.Char.Lexer    as Mega
 import           Data.Void
 import           System.Random
-import           System.IO
 import           Numeric
 
 import           Types