[Bots] Cleanup and remove preprocessors. (#2757)

* [Bots] Cleanup and remove preprocessors.

- Removes every `#ifdef BOTS` we have and locks bots behind `Bots:AllowBots` rule.
- Bot updates are now done by default similar to regular database updates.
- Modify `CMakeLists.txt`, `.drone.yml`, and `BUILD.md` to match the removal of `EQEMU_ENABLE_BOTS`.

* Cleanup

- Add SQL for enabling bots for servers with bots.
- Add message that tells players/operators bots are disabled.

* Suggested changes.

* Bot injection stuff

* Change SQL to bot SQL.

* Tweaks

* Remove `is_bot`

* Update version.h

* Update main.cpp

* Update database.cpp

* Fix name availability crash

* Remove bots from update script

Co-authored-by: Akkadius <akkadius1@gmail.com>

zone/client.h

@@ -2043,7 +2043,6 @@ private:
 	bool m_has_quest_compass = false;
 	std::vector<uint32_t> m_dynamic_zone_ids;
 
-#ifdef BOTS
 
 public:
 	enum BotOwnerOption : size_t {
@@ -2082,7 +2081,6 @@ private:
 	bool m_bot_pulling;
 	bool m_bot_precombat;
 
-#endif
 	bool CanTradeFVNoDropItem();
 };