Revert "refactor: extract userbot to standalone repo, add as git submodule"

This reverts commit 3c383db9a7.

userbot/string_gen.py

@@ -0,0 +1,10 @@
+from pyrogram import Client, enums
+
+api_id = input('Enter Your API ID: \n')
+api_hash = input('Enter Your API HASH : \n')
+
+with Client('my_account', api_id=api_id, api_hash=api_hash, hide_password=True) as bot_:
+    first_name = (bot_.get_me()).first_name
+    string_session_ = f'<b><u>String Session For {first_name}</b></u> \n<code>{bot_.export_session_string()}</code>'
+    bot_.send_message('me', string_session_, parse_mode=enums.ParseMode.HTML, disable_web_page_preview=True)
+    print(f'String Has Been Sent To Your Saved Message : {first_name}')