remove .proof node from magic config file instead of entire file

src/lib/integration_test_local_engine/docker_node_config.ml

@@ -89,9 +89,9 @@ module Base_node_config = struct
     , {|#!/bin/bash
   # This file is auto-generated by the local integration test framework.
   #
-  # Removes magic config file which is loaded by default when daemon is starting.
-  # It can influence final config file, so we need to remove it before starting process
-  rm -f |}
+  # Removes proof node in magic config file which is loaded by default when daemon is starting.
+  # It can influence final runtime config, so we need to remove it before starting the process
+  jq 'del(.proof)' |}
       ^ magic_config_file commit_id
       ^ {|
   # Path to the libp2p_key file