more tweaks for Eclipse complaints and moving JFX out of core

app/.classpath

@@ -11,7 +11,6 @@
 	<classpathentry exported="true" kind="lib" path="lib/ant.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/ant-launcher.jar"/>
 	<classpathentry kind="lib" path="/processing4-core/library-test/junit-4.8.1.jar"/>
-	<classpathentry kind="lib" path="lib/VAqua7.jar"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/processing4-core"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

core/.classpath

@@ -8,8 +8,6 @@
 	</classpathentry>
 	<classpathentry kind="lib" path="library/jogl-all.jar" sourcepath="library/jogl-all-src.jar"/>
 	<classpathentry kind="lib" path="library/gluegen-rt.jar"/>
-	<classpathentry kind="lib" path="library/javafx.graphics.jar"/>
-	<classpathentry kind="lib" path="library/javafx.base.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.USER_LIBRARY/JavaFX11"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

core/src/processing/awt/PImageAWT.java

@@ -105,6 +105,7 @@ public class PImageAWT extends PImage {
    * written in a cross-platform fashion for desktop, Android, and others.
    * This is still included for PGraphics objects, which may need the image.
    */
+  @Override
   public Image getImage() {  // ignore
     return (Image) getNative();
   }