patch: drop gcc2 patchset, mark x86_gcc2 as broken. See #3200

sys-devel/patch/patch-2.7.6.recipe

@@ -5,18 +5,13 @@ files, producing patched versions."
 HOMEPAGE="https://savannah.gnu.org/projects/patch/"
 COPYRIGHT="2012-2018 Free Software Foundation, Inc."
 LICENSE="GNU GPL v3"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://ftpmirror.gnu.org/patch/patch-$portVersion.tar.xz
 	https://ftp.gnu.org/gnu/patch/patch-$portVersion.tar.xz"
 CHECKSUM_SHA256="ac610bda97abe0d9f6b7c963255a11dcb196c25e337c61f94e4778d632f1d8fd"
 PATCHES="patch-$portVersion.patchset"
-if [ "$effectiveTargetArchitecture" = x86_gcc2 ]; then
-PATCHES+="
-	patch-$portVersion-gcc2.patchset
-	"
-fi
 
-ARCHITECTURES="x86_gcc2 x86 x86_64 arm"
+ARCHITECTURES="!x86_gcc2 x86 x86_64 arm"
 if [ "$targetArchitecture" = x86_gcc2 ]; then
 SECONDARY_ARCHITECTURES="x86"
 fi
@@ -32,6 +27,9 @@ if [ -n "$secondaryArchSuffix" ]; then
 CONFLICTS="
 	patch
 	"
+REPLACES="
+	patch
+	"
 fi
 
 BUILD_REQUIRES="