- remove gl_ prefix for model functions that are no longer GL specific
(cherry picked from commit 31abe3df7e)
# Conflicts:
# src/gl/models/gl_models.h
# src/gl/scene/gl_scene.cpp
# src/hwrenderer/scene/hw_sprites.cpp
# src/hwrenderer/scene/hw_weapon.cpp
# src/hwrenderer/textures/hw_precache.cpp
This was done mainly to reduce the amount of occurences of the word FTexture but it immediately helped detect two small and mostly harmless bugs that were found due to the stricter type checks.
