Remove redundant `wheel` dependency from pyproject.toml (#220)

Remove the redundant `wheel` dependency from pyproject.toml.  All
setuptools version automatically expose the dependency via the PEP517
backend since day one.  Listing it explicitly in build requirements
was a documentation mistake that was fixed in:
f7d30a9529

pyproject.toml

@@ -1,7 +1,6 @@
 [build-system]
 requires = [
     "setuptools>=42",
-    "wheel",
     "scikit-build>=0.13.0",
     "cmake",
     "ninja; platform_system!='Windows'",
@@ -9,4 +8,4 @@ requires = [
     "Cython==3.0.0a10",
     "rapidfuzz_capi==1.0.5"
 ]
-build-backend = "setuptools.build_meta"
+build-backend = "setuptools.build_meta"