tools-reference/diff-and-patch: No longer mention epatch

Signed-off-by: Ulrich Müller <ulm@gentoo.org>

tools-reference/diff-and-patch/text.xml

@@ -38,8 +38,7 @@ than <c>-u</c>. For a verbose guide into patches and patching, see
 To apply a patch, use <c>patch -pX &lt; whatever.patch</c>,
 where <c>X</c> is a number representing the number of path components
 which must be removed (typically this is <c>0</c> or <c>1</c>). Within
-ebuilds, use the <c>epatch</c> function, or <c>eapply</c> function
-beginning with EAPI=6, instead — see
+ebuilds, use the <c>eapply</c> function instead <d/> see
 <uri link="::ebuild-writing/functions/src_prepare/epatch/"/>.
 </p>