python-build: remove tomli dependency

mingw-w64-python-build/PKGBUILD

@@ -4,7 +4,7 @@ _realname=build
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
 pkgver=0.10.0
-pkgrel=4
+pkgrel=5
 pkgdesc="A simple, correct Python build frontend (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
@@ -13,7 +13,6 @@ license=('spdx:MIT')
 depends=(
   "${MINGW_PACKAGE_PREFIX}-python-packaging"
   "${MINGW_PACKAGE_PREFIX}-python-pyproject-hooks"
-  "${MINGW_PACKAGE_PREFIX}-python-tomli"
 )
 optdepends=(
   "${MINGW_PACKAGE_PREFIX}-python-colorama"