MLBEDSW-6406 Vela: Remove numpy version limit

Removed numpy version limit.

Change-Id: I01e4d27754fe037be227d7329c4e1a8f1cea6315
Signed-off-by: Fredrik Svedberg <fredrik.svedberg@arm.com>
diff --git a/setup.py b/setup.py
index 031401e..ef88f75 100644
--- a/setup.py
+++ b/setup.py
@@ -92,12 +92,11 @@
     python_requires="~=3.8",
     install_requires=[
         "flatbuffers==1.12.0",
-        "numpy>=1.16.6,<=1.19.5",
-        "numpy>=1.16.6,<1.19.4 ; platform_system=='Windows'",
+        "numpy",
         "lxml>=4.5.1",
     ],
     entry_points={"console_scripts": ["vela = ethosu.vela.vela:main"]},
     ext_modules=[mlw_module],
     cmdclass={"build_ext": BuildExtension},  # type: ignore[dict-item]
-    setup_requires=["numpy>=1.16.6,<=1.19.5", "setuptools_scm"],
+    setup_requires=["numpy", "setuptools_scm"],
 )