How to disable the keybinding of formatting document

Unfortunately code formatting doesn't work, so I want to turn to clang-format instead.
Is there a setting item for redhat.java to disable keybinding of formatting docment ?

Environment
  • Operating System: Windows 10 Pro x64
  • JDK version: 1.8.121
  • Visual Studio Code version: 1.11.2
  • Java extension version: 0.1.0
Steps To Reproduce
  1. Open a java file
  2. Press Ctrl + Shift + P and enter Format Document
Current Result

Nothing happends and clang-format extension doesn't work as well.

Expected Result

Keybinding of formatting docment can be disabled and clang-format extension works.

Additional Informations

redhat.java code formatting solution is in need.