Removed the testsuite build flag

Test suite is always included.

Building with this flag disabled has actually been broken for some time,
since Command.TestRemote uses tasty. Fewer build flags are better, so good
time to drop it.

This commit was sponsored by Thomas Hochstein on Patreon.

Test.hs

@@ -12,18 +12,6 @@ module Test where
 import Types.Test
 import Options.Applicative.Types
 
-#ifndef WITH_TESTSUITE
-
-import Options.Applicative (pure)
-
-optParser :: Parser ()
-optParser = pure ()
-
-runner :: Maybe (() -> IO ())
-runner = Nothing
-
-#else
-
 import Test.Tasty
 import Test.Tasty.Runners
 import Test.Tasty.HUnit
@@ -2235,5 +2223,3 @@ getKey b f = fromJust <$> annexeval go
 			, Types.KeySource.contentLocation = f
 			, Types.KeySource.inodeCache = Nothing
 			}
-
-#endif