Removed support for optparse-applicative versions older than 0.10.

Debian stable has 0.10.0.

Test.hs

@@ -112,15 +112,11 @@ main ps = do
 			)
   where
 	parseOpts pprefs pinfo args =
-#if MIN_VERSION_optparse_applicative(0,10,0)
 		case execParserPure pprefs pinfo args of
 			(Options.Applicative.Failure failure) -> do
 				let (msg, _exit) = renderFailure failure "git-annex test"
 				error msg
 			v -> handleParseResult v
-#else
-		handleParseResult $ execParserPure pprefs pinfo args
-#endif
 
 ingredients :: [Ingredient]
 ingredients =