remove classic theme from configure
remove classic theme from configure

If you'd use it, you'd get icons from fallback themes.
That I consider misleading.

Change-Id: I I Id1d71ef3f2e90f783d03ef8287f53f05ce4aa9a9

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core