Fix flake8

Author: nabla-c0d3

sslyze/cli/json_output.py

@@ -13,7 +13,6 @@
 from sslyze.cli.output_generator import OutputGenerator
 from sslyze.plugins.plugin_base import Plugin
 from sslyze.plugins.utils.certificate_utils import CertificateUtils
-from sslyze.plugins.utils.trust_store.trust_store import TrustStore
 from sslyze.server_connectivity_info import ServerConnectivityInfo
 from sslyze.server_connectivity_tester import ServerConnectivityError