Deleting variables requires confirmation. In an interactive session, you will be asked
to confirm. To avoid that prompt, or to delete subvariables from a
non-interactive session, wrap the call in with_consent() to give
your permission to delete.
deleteSubvariables(variable, to.delete)
deleteSubvariable(variable, to.delete)the array variable
aliases (following crunch.namekey.dataset) or indices
of variables to delete.
a new version of variable without the indicated subvariables
To delete the subvariables the function unbinds the array, deletes the subvariable, and then binds the remaining subvariables into a new array.