This function will remove the Document object that has as Id the
specified by the parameter "Id" value. If a Document with the requested
Id does not exist, then an error will be prompted.
Return Value:
The return value from this function will be a standart Tcl completion
code (of type int) with one of the values TCL_OK and TCL_ERROR. If the
requested Document exists and is successfully removed, then TCL_OK will
be returned. In case of an error, the return value will be TCL_ERROR and
an error message describing the error will be left at the current Tcl
interpreter (CDM_Interp).