Remove stream frame version field

docs/edge/ar/learn/streaming-runtime-contract.mdx

@@ -18,7 +18,6 @@ mode: "wide"
 ```python
 from crewai.types.streaming import StreamFrame
 
-frame.version      # "v1"
 frame.id           # معرف إطار فريد
 frame.seq          # ترتيب محلي للتنفيذ، عند توفره
 frame.type         # نوع الحدث المصدر، مثل "flow_started"

docs/edge/en/learn/streaming-runtime-contract.mdx

@@ -18,7 +18,6 @@ Every frame has the same envelope:
 ```python
 from crewai.types.streaming import StreamFrame
 
-frame.version      # "v1"
 frame.id           # unique frame id
 frame.seq          # execution-local order, when available
 frame.type         # source event type, such as "flow_started"

docs/edge/ko/learn/streaming-runtime-contract.mdx

@@ -18,7 +18,6 @@ UI, 서비스 브리지, 터미널 앱, 배포 런타임을 만들 때 Flow, 채
 ```python
 from crewai.types.streaming import StreamFrame
 
-frame.version      # "v1"
 frame.id           # 고유 프레임 id
 frame.seq          # 사용 가능한 경우 실행 로컬 순서
 frame.type         # "flow_started" 같은 원본 이벤트 타입

docs/edge/pt-BR/learn/streaming-runtime-contract.mdx

@@ -18,7 +18,6 @@ Todo frame tem o mesmo envelope:
 ```python
 from crewai.types.streaming import StreamFrame
 
-frame.version      # "v1"
 frame.id           # id único do frame
 frame.seq          # ordem local da execução, quando disponível
 frame.type         # tipo do evento de origem, como "flow_started"