Revert "feat: add Kubernetes manifests and A2A protocol support"

This reverts commit b943eb7ac1.

pyproject.toml

@@ -48,10 +48,6 @@ dependencies = [
     "passlib[bcrypt]",  # Password hashing
     "tenacity",  # Retry logic
     "structlog",  # Structured logging
-
-    # Container Orchestration
-    "kubernetes",  # K8s API client for agent Jobs
-    "sse-starlette",  # Server-Sent Events for A2A streaming
 ]
 
 [project.optional-dependencies]
@@ -142,7 +138,6 @@ select = [
 "roboco/mcp/**/*.py" = ["PLC0415"]
 "roboco/services/*.py" = ["PLC0415"]
 "roboco/api/routes/*.py" = ["PLC0415"]
-"roboco/runtime/*.py" = ["PLC0415"]
 
 # =============================================================================
 # MyPy Configuration
@@ -172,8 +167,6 @@ module = [
     "tiktoken.*",
     "piragi.*",
     "toon.*",
-    "kubernetes.*",
-    "sse_starlette.*",
 ]
 ignore_missing_imports = true