added pickup off ground

[wubbasauce]

Description

Took the code from the top/bottom routine and implemented it into a command. Binded to left d-pad. Also removed unneeded ClawSensorCancel. Please include a summary of the changes -- include relevant motivation and context.

Type of change

• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Bugfix (non-breaking change which fixes an issue, add DEF # above in description)
• [ ] Environment change (changes to developer environment or CI configuration)
• [ ] Documentation Update (if none of the other choices apply)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration. Identify any new potential hazards or risks introduced.

Author Checklist:

• [ ] I have performed a self-review of my code
• [ ] I have added 1-2 reviewers
• [ ] I have @mentioned relevant non-reviewers as an FYI
• [ ] I have included a detailed description of my changes and their motivations

[amoscao]

Look good, just we just need to test with new claw. If successful and we have CJ's consent, then merge