dev-haskell/scientific: allow dev-lang/ghc[-gmp], bug #568864

Thanks to Zentoo who discovered reintroduction of bug #519670

Bug: https://bugs.gentoo.org/568864

Package-Manager: portage-2.2.26

dev-haskell/scientific/scientific-0.3.3.8.ebuild

@@ -5,7 +5,6 @@
 EAPI=5
 
 # ebuild generated by hackport 0.4.4.9999
-#hackport: flags: -integer-simple
 
 CABAL_FEATURES="lib profile haddock hoogle hscolour test-suite"
 inherit haskell-cabal
@@ -36,6 +35,5 @@ DEPEND="${RDEPEND}
 
 src_configure() {
 	haskell-cabal_src_configure \
-		$(cabal_flag bytestring-builder bytestring-builder) \
-		--flag=-integer-simple
+		$(cabal_flag bytestring-builder bytestring-builder)
 }