We don't need to build ninja so there's no need to use scikit-build-core,
as we just need the python module with its one ninja() function.

Upstream-Status: Inappropriate
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>

--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,4 @@
 [build-system]
-requires = ["scikit-build-core>=0.10"]
-build-backend = "backend"
-backend-path = ["_build_backend"]
+requires = ["setuptools", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
 
@@ -7,3 +6,3 @@
 name = "ninja"
-dynamic = ["version", "readme"]
+dynamic = ["version"]
 description = "Ninja is a small build system with a focus on speed"