Revert requirements files. Not allowed for python package

requirements.txt

@@ -1 +0,0 @@
-requests

requirements_test.txt

@@ -1 +0,0 @@
-pytest

setup.py

@@ -15,11 +15,6 @@ with open(PACKAGE_NAME + '/_version.py') as f:
     del match, text
 
 
-def read_requirements(path: str = 'requirements.txt'):
-    with open(path) as f:
-        return f.read().strip().split('\n')
-
-
 def get_short_description(readme: str):
     readme = re.sub(r'#+[^\n]*\n+', '', readme)
     m = re.search(r'^\s*(\w+[\w\s,`]+\.)', readme)
@@ -40,10 +35,10 @@ setup(
     author_email='jonjmaa@gmail.com',
     url='https://gitfub.space/Jmaa/' + PACKAGE_NAME,
     packages=[PACKAGE_NAME],
-    install_requires=read_requirements(),
+    install_requires=['requests'],
     extras_require={
         'Request ratelimiting': ['requests_ratelimiter'],
         'Request caching': ['requests_cache'],
-        'test': read_requirements('requirements_test.txt'),
+        'test': ['pytest'],
     },
 )