chore: some code cleanup

Author: d-biehl

packages/debugger/src/robotcode/debugger/run.py

@@ -1,6 +1,5 @@
 import asyncio
 import functools
-import sys
 import threading
 import warnings
 from typing import (
@@ -222,8 +221,6 @@ async def run_debugger(
                 await run_coroutine_from_thread_async(server.protocol.exit, exit_code, loop=server.loop)
     except asyncio.CancelledError:
         pass
-    except ConnectionError as e:
-        print(e, file=sys.stderr)
     finally:
         if server.protocol.connected:
             await run_coroutine_from_thread_async(server.protocol.terminate, loop=server.loop)

packages/runner/src/robotcode/runner/cli/discover/discover.py

@@ -240,7 +240,9 @@ def visit_test(self, test: TestCase) -> None:
 
 
 @click.group(invoke_without_command=False)
-@click.option("--read-from-stdin", is_flag=True, help="Read file contents from stdin. This is an internal option.")
+@click.option(
+    "--read-from-stdin", is_flag=True, help="Read file contents from stdin. This is an internal option.", hidden=True
+)
 @pass_application
 def discover(app: Application, read_from_stdin: bool) -> None:
     """\