Fixed PyPi deployment

Added requirements to MANIFEST, removed outdated need for
"whoogle-search" executable

MANIFEST.in

@@ -1,3 +1,4 @@
 graft app/static
 graft app/templates
+include requirements.txt
 global-exclude *.pyc

setup.py

@@ -9,7 +9,6 @@ setuptools.setup(
     author_email='benbusby@protonmail.com',
     name='whoogle-search',
     version='0.1.3',
-    scripts=['whoogle-search'],
     include_package_data=True,
     install_requires=requirements,
     description='Self-hosted, ad-free, privacy-respecting Google metasearch engine',