Remove unused load_model method from LanguageModelProvider (#32070)

Removes the load_model trait method and its implementations in Ollama
and LM Studio providers, along with associated preload_model functions
and unused imports.

Release Notes:

- N/A
4304521655Ben Brandt committed on 6/4/2025, 2:07:01 PM· committed by GitHubparent04716a0
5 files changedLine totals unavailable