Bug 183217 suppress duplicates leaving whitespace
I am not certain this is a bug, but if I set suppress duplicates on all the columns, I still get whitespace for suppressed rows. 2.1.2 did not do this. This issue happens in the M6 build.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
boolean hasDropCell = false;
		
		for(int i=0; i<columnNumber; i++)
		{
			CellArea cell = row.getCell( start + i );
			if(cell!=null)
			{
				if(cell.getRowSpan( )< 0 || cell.getRowSpan( )>1 )
				{
					height = Math.max( height, cell.getHeight( ) );
					hasDropCell = true;
				}
			}
		}
		
		if(hasDropCell)
		{
			
			HashSet dropCells = new HashSet();
			int delta = height - rowHeight;
			if(delta>0)
			{
				row.getArea( ).setHeight( height );
			}
			for(int i=0; i<columnNumber; i++)
			{
				CellArea cell = row.getCell( start + i );
				if(cell==null)
				{
					continue;