chore: remove Cohere from required integ test providers (#1967)

Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>

Author: zastrowm

tests_integ/conftest.py

@@ -202,7 +202,6 @@ def _load_api_keys_from_secrets_manager():
 
     required_providers = {
         "ANTHROPIC_API_KEY",
-        "COHERE_API_KEY",
         "MISTRAL_API_KEY",
         "OPENAI_API_KEY",
         "WRITER_API_KEY",