improve startup logging

Author: andreybavt

giskard/commands/cli_server.py

@@ -116,10 +116,7 @@ def wait_backend_ready(port: int, host="localhost", is_cli=True, wait_sec=3 * 60
             logger.info("Waiting for Giskard Hub backend to be ready...")
         time.sleep(backoff_time)
 
-    if is_cli:
-        click.echo(".")
-    else:
-        logger.info("Hub backend is ready")
+    click.echo(".")
     return up