package/python-ml-dtypes: remove python-pybind from C++ dependency comment

python-pybind dependency has been removed since the version bump to
0.3.2 [1]

[1] 06e1a3620e5268951be089d2b150c1802de7de4c

Signed-off-by: Romain Naour <romain.naour@smile.fr>

package/python-ml-dtypes/Config.in

@@ -1,7 +1,7 @@
 config BR2_PACKAGE_PYTHON_ML_DTYPES
 	bool "python-ml-dtypes"
 	depends on BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS
-	depends on BR2_INSTALL_LIBSTDCPP # python-pybind, python-numpy
+	depends on BR2_INSTALL_LIBSTDCPP # python-numpy
 	depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_MUSL # python-numpy
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_9 # python-numpy
 	depends on BR2_HOST_GCC_AT_LEAST_9 # host-python-numpy