app-misc/crunch: port to EAPI 7

Signed-off-by: Sam James <sam@gentoo.org>

app-misc/crunch/crunch-3.6.ebuild

@@ -1,9 +1,9 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=5
+EAPI=7
 
-inherit eutils toolchain-funcs
+inherit toolchain-funcs
 
 DESCRIPTION="A wordlist generator"
 HOMEPAGE="https://sourceforge.net/projects/crunch-wordlist/"
@@ -13,10 +13,6 @@ LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~mips ~x86"
 
-src_prepare() {
-	epatch_user
-}
-
 src_compile() {
 	emake CC="$(tc-getCC)"
 }