[bug#47577] [core-updates] gnu: meson-for-build: Remove it again

[宋文武]

Hello, on our core-updates branch, meson-for-build was remmoved in
f2b228010873a, but then a merge 2aab587f842908 added it again..

So here is a patch to remove it, also update the FIXME in meson:

>From 3219f0b132c8ae16e319a57a91834ec8be393afc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=8B=E6=96=87=E6=AD=A6?= <iyzsong@member.fsf.org>
Date: Sat, 3 Apr 2021 12:26:03 +0800
Subject: [PATCH] gnu: meson-for-build: Remove package.

It was removed in commit f2b22801, but a merge (2aab587f) add it wrongly
again.
---
 gnu/packages/build-tools.scm | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/gnu/packages/build-tools.scm b/gnu/packages/build-tools.scm
index 5e25c60f3b..b47a790f75 100644
--- a/gnu/packages/build-tools.scm
+++ b/gnu/packages/build-tools.scm
@@ -278,9 +278,8 @@ files and generates build instructions for the Ninja build 
system.")
                 "1x47vc7023w8w90r6jda5hk2jsh68i66x49gckdgixw32fwvvf1w"))))
     (build-system python-build-system)
     (arguments
-     `(;; FIXME: Tests require many additional inputs, a fix for the RUNPATH
-       ;; patch in meson-for-build, and patching many hard-coded file system
-       ;; locations in "run_unittests.py".
+     `(;; FIXME: Tests require many additional inputs and patching many
+       ;; hard-coded file system locations in "run_unittests.py".
        #:tests? #f
        #:phases (modify-phases %standard-phases
                   ;; Meson calls the various executables in out/bin through the
@@ -327,17 +326,6 @@ resembles Python.")
                (base32
                 "19n8alcpzv6npgp27iqljkmvdmr7s2c7zm8y997j1nlvpa1cgqbj"))))))
 
-(define-public meson-for-build
-  (package
-    (inherit meson)
-    (name "meson-for-build")
-    (source (origin
-              (inherit (package-source meson))
-              (patches (search-patches "meson-for-build-rpath.patch"))))
-
-    ;; People should probably install "meson", not "meson-for-build".
-    (properties `((hidden? . #t)))))
-
 (define-public premake4
   (package
     (name "premake")
-- 
2.30.0