Remove documented argument mot in usage in `commit_mart_row()`

[judith-bourque]

Issue

❯ checking Rd \usage sections ... WARNING
  Undocumented arguments in documentation object 'commit_mart_row'
    ‘refresh_data’
  Documented arguments not in \usage in documentation object 'commit_mart_row':
    ‘mode’
  
  Undocumented arguments in documentation object 'dbxDeleteFile'
    ‘filename’ ‘token’
  
  Undocumented arguments in documentation object 'dbxDownloadFile'
    ‘filename’ ‘local_path’ ‘token’
  
  Undocumented arguments in documentation object 'dbxListDir'
    ‘dir’ ‘token’
  
  Undocumented arguments in documentation object 'dbxMoveFile'
    ‘source’ ‘destination’ ‘token’ ‘overwrite’
  
  Undocumented arguments in documentation object 'dbxUploadFile'
    ‘filename’ ‘remote_path’ ‘token’ ‘overwrite’
  
  Functions with \usage entries need to have the appropriate \alias
  entries, and all their arguments documented.
  The \usage entries must correspond to syntactically valid R code.
  See chapter ‘Writing R documentation files’ in the ‘Writing R
  Extensions’ manual.