revert: revert human input relevant code (#31766)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/fields/conversation_fields.py

@@ -192,7 +192,6 @@ class StatusCount(ResponseModel):
     success: int
     failed: int
     partial_success: int
-    paused: int
 
 
 class ModelConfig(ResponseModel):

api/fields/message_fields.py

@@ -6,7 +6,6 @@ from uuid import uuid4
 
 from pydantic import BaseModel, ConfigDict, Field, field_validator
 
-from core.entities.execution_extra_content import ExecutionExtraContentDomainModel
 from core.file import File
 from fields.conversation_fields import AgentThought, JSONValue, MessageFile
 
@@ -62,7 +61,6 @@ class MessageListItem(ResponseModel):
     message_files: list[MessageFile]
     status: str
     error: str | None = None
-    extra_contents: list[ExecutionExtraContentDomainModel]
 
     @field_validator("inputs", mode="before")
     @classmethod