Delete unused import

Author: RojerUA

src/main/java/com/itextpdf/awt/PdfGraphics2D.java

@@ -107,7 +107,6 @@
 import com.itextpdf.text.pdf.BaseFont;
 import com.itextpdf.text.pdf.ByteBuffer;
 import com.itextpdf.text.pdf.CMYKColor;
-import com.itextpdf.text.pdf.ExtendedColor;
 import com.itextpdf.text.pdf.PdfAction;
 import com.itextpdf.text.pdf.PdfContentByte;
 import com.itextpdf.text.pdf.PdfGState;