runescape-api: move canvas to GameEngine

runescape-api/src/main/java/net/runelite/rs/api/Client.java

@@ -24,7 +24,6 @@
  */
 package net.runelite.rs.api;
 
-import java.awt.Canvas;
 import net.runelite.mapping.Import;
 
 public interface Client extends GameEngine
@@ -215,9 +214,6 @@ public interface Client extends GameEngine
 	@Import("packetHandler")
 	void packetHandler();
 
-	@Import("canvas")
-	Canvas getCanvas();
-
 	@Import("revision")
 	int getRevision();
 

runescape-api/src/main/java/net/runelite/rs/api/GameEngine.java

@@ -22,9 +22,13 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package net.runelite.rs.api;
 
+import java.awt.Canvas;
+import net.runelite.mapping.Import;
+
 public interface GameEngine
 {
+	@Import("canvas")
+	Canvas getCanvas();
 }