Remove dependency on requests

[Avasam]

• Remove dependency on requests, and its sub-dependencies certifi, charset-normalizer, idna and urllib3
• Remove co-dependnecy specifications certifi and pyinstaller-hooks-contrib
• Remove custom pyinstaller hook
• Improves build time with reduced hooks
• Improve uncached install time slightly due to less dependencies
• Reduce executable size by 0.58MB (139.045 --> 138.459)