Remove old length, it's not required

Co-authored-by: r3cp3ct <45179536+r3cp3ct@users.noreply.github.com>
Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/DrawLoop.java

@@ -47,7 +47,6 @@ public class DrawLoop {
 				} else {
 					currentCol=PaletteColor.values()[nextCol];
 				}
-				int oldLength = finalS.length();
 				finalS=finalS.replaceFirst(Pattern.quote(Character.valueOf((char)26)+Byte.toString(nextCol)+" "),"");
 				i--;
 			} else