Revert "Fix a test failure on s390x"

This reverts commit 9a451905d0.

A fix has been merged upstream.

0001-llvm-exegesis-AArch64-Only-run-tests-on-aarch64-host.patch

@@ -1,26 +0,0 @@
-From a56ac2803a227a1983f58d501ea61127dee18f56 Mon Sep 17 00:00:00 2001
-From: Tom Stellard <tstellar@redhat.com>
-Date: Wed, 19 Apr 2023 16:05:58 -0700
-Subject: [PATCH] [llvm-exegesis][AArch64] Only run tests on aarch64 hosts
-
-The add-return.s test is failing on s390x.
-
-See also e30ce634f75c01cc8784cb0c4972c42987178c1d.
----
- llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg | 3 +++
- 1 file changed, 3 insertions(+)
-
-diff --git a/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg b/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
-index 2c80c84ef2cc..c1c887bfcc47 100644
---- a/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
-+++ b/llvm/test/tools/llvm-exegesis/AArch64/lit.local.cfg
-@@ -1,3 +1,6 @@
- if not ('AArch64' in config.root.targets):
-     # We need support for AArch64.
-     config.unsupported = True
-+elif not ('aarch64' in config.root.host_triple):
-+    # We need to be running on an PPC host.
-+    config.unsupported = True
--- 
-2.31.1
-

llvm.spec

@@ -113,9 +113,6 @@ Source5:	run-lit-tests
 Source6:	lit.fedora.cfg.py
 %endif
 
-# Fix a test failure. https://reviews.llvm.org/D147699#4269505
-Patch0:		0001-llvm-exegesis-AArch64-Only-run-tests-on-aarch64-host.patch
-
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
 BuildRequires:	clang