remove unnecessary blank lines in health and service command files

pyserve/ctl/commands/health.py

@@ -4,7 +4,6 @@ pyserve health - Check health of services
 
 import asyncio
 from pathlib import Path
-
 from typing import Any
 
 import click

pyserve/ctl/commands/service.py

@@ -4,7 +4,6 @@ pyserve start/stop/restart - Service management commands
 
 import asyncio
 from pathlib import Path
-
 from typing import Any, Dict
 
 import click