[Skill Caps] Remove from shared memory and simplify (#4069)

* [Skill Caps] Remove from shared memory and simplify

- Removes Skill Caps loading from shared memory and puts it into zone.
- Adds `id` column to `skill_caps`.
- Remove primary keys and use `id` as primary key.
- Add unique index using `skill_id`, `class_id`, `level`, and `cap`.
- Renames `class` to `class_id` in `skill_caps` table.
- Renames `skillID` to `skill_id` in `skill_caps` table.
- Regenerates Skill Caps repository.
- Adds `#reload skill_caps` to reload skill caps in real time.

* Update groups.cpp

* Update groups.cpp

shared_memory/CMakeLists.txt

@@ -4,13 +4,11 @@ SET(shared_memory_sources
 	items.cpp
 	main.cpp
 	spells.cpp
-	skill_caps.cpp
 )
 
 SET(shared_memory_headers
 	items.h
 	spells.h
-	skill_caps.h
 )
 
 ADD_EXECUTABLE(shared_memory ${shared_memory_sources} ${shared_memory_headers})