delete last table leaves table data on page

[damies13]

repro steps:

• create table
• add column to table
• add values to column
• add column to table
• add values to column
• delete table
• table tab is removed
• table columns and data still show

Expected

• create table
• add column to table
• add values to column
• add column to table
• add values to column
• delete table
• table tab is removed
• table columns and data are removed