meson: Update to 1.8.1 (#5417)

the dropped patch is included now

meson/PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Christoph Reiter <reiter.christoph@gmail.com>
 
 pkgname=meson
-pkgver=1.7.2
+pkgver=1.8.1
 pkgrel=1
 pkgdesc='High-productivity build system'
 arch=('any')
@@ -18,12 +18,10 @@ makedepends=(
   "python-installer"
 )
 source=("https://github.com/mesonbuild/${pkgname}/releases/download/${pkgver}/${pkgname}-${pkgver}.tar.gz"{,.asc}
-        "0001-cygwin-disguise.patch"
-        "https://github.com/lb90/meson/commit/2406eccf1b1170760c87bbc6a45742ca6bca003d.patch")
-sha256sums=('4d40d63aa748a9c139cc41ab9bffe43edd113c5639d78bde81544ca955aea890'
+        "0001-cygwin-disguise.patch")
+sha256sums=('b4e3b80e8fa633555abf447a95a700aba1585419467b2710d5e5bf88df0a7011'
             'SKIP'
-            '33cd4ff57565cb8066454cdd255df72782421f37f9749b8dc0e96dfeec68daad'
-            '999e0751148bd47c4496509210618cdba5e7baeb2601fbf810a88fc193bd0378')
+            '33cd4ff57565cb8066454cdd255df72782421f37f9749b8dc0e96dfeec68daad')
 validpgpkeys=(
   19E2D6D9B46D8DAA6288F877C24E631BABB1FE70 # Jussi Pakkanen <jpakkane@gmail.com>
   BD27B07A5EF45C2ADAF70E0484818A6819AF4A9B # Eli Schwartz <eschwartz93@gmail.com>
@@ -32,9 +30,6 @@ validpgpkeys=(
 prepare() {
   cd "${srcdir}/${pkgname}-${pkgver}"
   patch -p1 -i "${srcdir}"/0001-cygwin-disguise.patch
-
-  # https://github.com/mesonbuild/meson/pull/12861
-  patch -p1 -i "${srcdir}"/2406eccf1b1170760c87bbc6a45742ca6bca003d.patch
 }
 
 build() {