misc/py-numcodecs: Fix BUILD_DEPENDS

• Add missing py-numpy1
• Remove lang/cython: it is done by USE_PYTHON=cython

The error message is as follows:

> Configuring for py311-numcodecs-0.16.5

Traceback (most recent call last):

File "<string>", line 1, in <module>
File "setup.py", line 385, in <module>
  run_setup(with_extensions)
File "setup.py", line 366, in run_setup
  + vlen_extension()
    ^^^^^^^^^^^^^^^^
File "setup.py", line 208, in vlen_extension
  import numpy

ModuleNotFoundError: No module named 'numpy'
...

• Error code 1

Stop.
make: stopped making "configure" in /usr/ports/misc/py-numcodecs

Approved by: portmgr (blanket)
Reference: https://pkg-status.freebsd.org/beefy23/data/150amd64-default/14bd0e320b77/logs/py311-numcodecs-0.16.5.log

		https://pkg-status.freebsd.org/beefy16/data/135amd64-default/14bd0e320b77/logs/py311-numcodecs-0.16.5.log