Sensitive information is leaked when sending System Information telemtry.

[acepace]

Describe the bug

When logging system information telemetry, it is not cleared of sensitive information such as hashes or keys.

Screenshots

Start part

2020-04-12 14:53:07,273 [6247:139736323811136:INFO] SSH_info_collector.get_info.26: Scanned for ssh keys
2020-04-12 14:53:07,273 [6247:139736323811136:DEBUG] base_telem.send.25: Sending system_info telemetry. Data: {"network_info": {"networks": [{"addr": "172.27.87.158", "netmask": "255.255.240.0"}], "netstat": [{"proto": "tcp", "local_address": "127.0.0.1", "local_port": 27
017, "remote_address": "127.0.0.1", "remote_port": 39714, "status": "ESTABLISHED", "pid": null}, {"prot

Continues with

 "private_key": "-----BEGIN RSA PRIVATE KEY-----\nMIIJKgIBAAKCAgEAx+78D9tEk16lkXC6uh

Machine version (please complete the following information):

• OS: Develop branch