Remove tooltip require

This seems to not be necessary anymore but I need to
test it. I tried importing it with require and import
but it returns a `$ is not defined`.

Author: stefannibrasil

app/javascript/application.js

@@ -30,7 +30,6 @@ require('./src/reimbursements')
 require('./src/reports')
 require('./src/require_communication_preference')
 require('./src/select')
-require('./src/tooltip')
 require('./src/time_zone')
 require('./src/session_timeout_poller.js')
 require('./src/display_app_metric.js')