Remove obsolete patch (merged)

Merged upstream, part of 0.8 build by default.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

79530f94e9c53153c4fae3b50a8c938f89db0c32.patch

@@ -1,49 +0,0 @@
-From 79530f94e9c53153c4fae3b50a8c938f89db0c32 Mon Sep 17 00:00:00 2001
-From: Ian Lance Taylor <iant@golang.org>
-Date: Mon, 3 Feb 2020 12:29:45 -0800
-Subject: [PATCH] syscall: fix riscv64 GNU/Linux build
-
-Make syscall_linux_riscv64.go, new in the 1.14beta1 release, look like
-the other syscall_linux_GOARCH.go files.
-
-Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/217577
----
- gcc/go/gofrontend/MERGE                   |  2 +-
- libgo/go/syscall/syscall_linux_riscv64.go | 14 --------------
- 2 files changed, 1 insertion(+), 15 deletions(-)
-
-diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
-index 40529518b264..27f4ce342e54 100644
---- a/gcc/go/gofrontend/MERGE
-+++ b/gcc/go/gofrontend/MERGE
-@@ -1,4 +1,4 @@
--d796680b5a78f686ed118578e81d5b1adf48508d
-+c94637ad6fd38d4814fb02d094a1a73f19323d71
- 
- The first line of this file holds the git revision number of the last
- merge done from the gofrontend repository.
-diff --git a/libgo/go/syscall/syscall_linux_riscv64.go b/libgo/go/syscall/syscall_linux_riscv64.go
-index e9aab94e3a1f..16d8709708dc 100644
---- a/libgo/go/syscall/syscall_linux_riscv64.go
-+++ b/libgo/go/syscall/syscall_linux_riscv64.go
-@@ -4,20 +4,6 @@
- 
- package syscall
- 
--import "unsafe"
--
- func (r *PtraceRegs) PC() uint64 { return r.Pc }
- 
- func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
--
--func (iov *Iovec) SetLen(length int) {
--	iov.Len = uint64(length)
--}
--
--func (msghdr *Msghdr) SetControllen(length int) {
--	msghdr.Controllen = uint64(length)
--}
--
--func (cmsg *Cmsghdr) SetLen(length int) {
--	cmsg.Len = uint64(length)
--}

gcc.spec

@@ -265,9 +265,6 @@ Patch9: gcc10-Wno-format-security.patch
 Patch10: gcc10-rh1574936.patch
 Patch11: gcc10-d-shared-libphobos.patch
 
-# https://github.com/gcc-mirror/gcc/commit/79530f94e9c53153c4fae3b50a8c938f89db0c32
-Patch20: 79530f94e9c53153c4fae3b50a8c938f89db0c32.patch
-
 # On ARM EABI systems, we do want -gnueabi to be part of the
 # target triple.
 %ifnarch %{arm}
@@ -779,8 +776,6 @@ to NVidia PTX capable devices if available.
 %endif
 %patch11 -p0 -b .d-shared-libphobos~
 
-%patch20 -p1 -b .gofrontend-riscv64~
-
 echo 'Red Hat %{version}-%{gcc_release}' > gcc/DEV-PHASE
 
 cp -a libstdc++-v3/config/cpu/i{4,3}86/atomicity.h