gnu: Remove unused patch.

This a followup to 9b714ec75e.

* gnu/packages/patches/sbcl-fix-build-on-arm64-with-clisp-as-host.patch:
  Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -1839,7 +1839,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/sbcl-aserve-fix-rfe12668.patch	\
   %D%/packages/patches/sbcl-burgled-batteries3-fix-signals.patch	\
   %D%/packages/patches/sbcl-clml-fix-types.patch		\
-  %D%/packages/patches/sbcl-fix-build-on-arm64-with-clisp-as-host.patch	\
   %D%/packages/patches/sbcl-png-fix-sbcl-compatibility.patch	\
   %D%/packages/patches/scalapack-gcc-10-compilation.patch	\
   %D%/packages/patches/scheme48-tests.patch			\

gnu/packages/patches/sbcl-fix-build-on-arm64-with-clisp-as-host.patch

@@ -1,27 +0,0 @@
-From 944f53fb00794f4bc96700dd14df1e88b6cd5623 Mon Sep 17 00:00:00 2001
-From: Christophe Rhodes <csr21@cantab.net>
-Date: Thu, 17 Nov 2022 22:29:26 +0000
-Subject: [PATCH] Fix build on arm64 with clisp as host
-
-Make sure the offset constants are defined while compiling vm.lisp.
----
- src/compiler/arm64/vm.lisp | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/src/compiler/arm64/vm.lisp b/src/compiler/arm64/vm.lisp
-index ae6d7c7fa..2a151be58 100644
---- a/src/compiler/arm64/vm.lisp
-+++ b/src/compiler/arm64/vm.lisp
-@@ -23,7 +23,8 @@
- (macrolet ((defreg (name offset)
-              (let ((offset-sym (symbolicate name "-OFFSET")))
-                `(progn
--                  (defconstant ,offset-sym ,offset)
-+                  (eval-when (:compile-toplevel :load-toplevel :execute)
-+                    (defconstant ,offset-sym ,offset))
-                   (setf (svref *register-names* ,offset-sym) ,(symbol-name name)))))
- 
-            (defregset (name &rest regs)
--- 
-2.30.2
-