[F] Actually, make numpy a dependency

setup.py

@@ -32,10 +32,7 @@ setup(
     packages=['hyfetch'],
     package_data={'hyfetch': ['hyfetch/*']},
     include_package_data=True,
-    install_requires=['setuptools', 'typing_extensions'],
-    extras_require={
-        'Gradient color_scale': ['numpy']
-    },
+    install_requires=['setuptools', 'typing_extensions', 'numpy'],
     entry_points={
         "console_scripts": [
             "hyfetch=hyfetch.main:run",