Update readme for separate llm engine executables

sia/web_agent.py

@@ -14,7 +14,6 @@ from .response_buffer import ResponseBuffer
 from .response_parser import ResponseParser
 from .system_metrics import SystemMetrics
 from .working_memory import WorkingMemory
-from .xml_validator import XMLValidator
 
 class LlmState(Enum):
     IDLE = auto()
@@ -28,7 +27,6 @@ class WebAgent(BaseAgent):
             working_memory: WorkingMemory,
             metrics: SystemMetrics,
             llms: Dict[str, LlmEngine],
-            validator: XMLValidator,
             parser: ResponseParser,
             iteration_logger: IterationLogger,
         ):
@@ -37,7 +35,6 @@ class WebAgent(BaseAgent):
             action_schema,
             working_memory,
             metrics,
-            validator,
             parser
         )
         self._llms = llms