lcd_babystep_z should not start lcd_timeoutToStatus

flash: -8
RAM: 0

When the menu is entered and left the function
menu_lcd_lcdupdate_func() takes care of resetting the timer.

Currently the firmware will reset the timer twice when the lcd_babystep_z menu is entered. This commit fixes that.

Firmware/ultralcd.cpp

@@ -2682,8 +2682,6 @@ static void lcd_babystep_z()
 		lcd_draw_update = 1;
 		//SERIAL_ECHO("Z baby step: ");
 		//SERIAL_ECHO(_md->babystepMem[2]);
-		// Wait 90 seconds before closing the live adjust dialog.
-		lcd_timeoutToStatus.start();
 	}
 
 	if (lcd_encoder != 0)