astRemoveColumnastRemoveColumn - Remove a column from a table

Description:
This function removes a specified column from the supplied table. The function returns without action if the named column does not exist in the TableTable (no error is reported).
Synopsis:
void astRemoveColumn( AstTable $*$this, const char $*$name )
Parameters:
this
Pointer to the Table.
name
The column name. Trailing spaces are ignored (all other spaces are significant). Case is significant.