Dropping User Memory (#3225)

* Dropping User Memory

* Dropping checks for user memory

* changed memory.mdx documentation removed user memory.

* Flaky Test Case Maybe

* Drop memory_config

* Fixed test cases

* Fixed some test cases

* Changed docs

* Changed BR docs

* Docs fixing

* Fix minor doc

* Fix minor doc

* Fix minor doc

* Added fallback mechanism in Mem0

tests/memory/user_memory_test.py

@@ -1,67 +0,0 @@
-from unittest.mock import MagicMock, patch
-
-import pytest
-from mem0.memory.main import Memory
-
-from crewai.memory.user.user_memory import UserMemory
-from crewai.memory.user.user_memory_item import UserMemoryItem
-
-
-class MockCrew:
-    def __init__(self, memory_config):
-        self.memory_config = memory_config
-
-@pytest.fixture
-def user_memory():
-    """Fixture to create a UserMemory instance"""
-    crew = MockCrew(
-        memory_config={
-            "provider": "mem0",
-            "config": {"user_id": "john"},
-            "user_memory" : {}
-        }
-    )
-
-    user_memory = MagicMock(spec=UserMemory)
-
-    with patch.object(Memory,'__new__',return_value=user_memory):
-        user_memory_instance = UserMemory(crew=crew)
-    
-    return user_memory_instance
-
-def test_save_and_search(user_memory):
-    memory = UserMemoryItem(
-        data="""test value test value test value test value test value test value
-        test value test value test value test value test value test value
-        test value test value test value test value test value test value""",
-        user="test_user",
-        metadata={"task": "test_task"},
-    )
-
-    with patch.object(UserMemory, "save") as mock_save:
-        user_memory.save(
-            value=memory.data,
-            metadata=memory.metadata,
-            user=memory.user
-        )
-
-        mock_save.assert_called_once_with(
-            value=memory.data,
-            metadata=memory.metadata,
-            user=memory.user
-        )
-
-    expected_result = [
-        {
-            "context": memory.data,
-            "metadata": {"agent": "test_agent"},
-            "score": 0.95,
-        }
-    ]
-    expected_result = ["mocked_result"]
-
-    # Use patch.object to mock UserMemory's search method
-    with patch.object(UserMemory, 'search', return_value=expected_result) as mock_search:
-        find = UserMemory.search("test value", score_threshold=0.01)[0]
-        mock_search.assert_called_once_with("test value", score_threshold=0.01)
-        assert find == expected_result[0]