Steps to Reproduce:

  [Step 1] Turn sendcommandfeedback to false
  [Step 2] Use the locate command
  [Step 3] Look in chat

Observed Results:

If you have sendcommandfeedback turned to false the locate command will not work

Expected Results:

If you have sendcommandfeedback turned to false the locate command should show up in chat

Notes: When you turn sendcommandfeedback to false and you use the /locate command, it will not show up in the chat.