Revert "fix polygon rendering with clip area of one line only"
Revert "fix polygon rendering with clip area of one line only"

Sorry, but this breaks the basebmp unit test.

This reverts commit 064da28833203545eb5554982008c7af346b2488.

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