ADK changes

PiperOrigin-RevId: 814417092

Author: google-genai-bot

src/google/adk/memory/vertex_ai_memory_bank_service.py

@@ -20,11 +20,7 @@
 
 from google.genai import types
 from typing_extensions import override
-
-try:
-  import vertexai
-except ImportError:
-  from google.cloud.aiplatform import vertexai
+import vertexai
 
 from .base_memory_service import BaseMemoryService
 from .base_memory_service import SearchMemoryResponse