Fix SkiaMultiplatformSample and SkiaAndroidSample (#745)

Fixes after removing `fun onTouchEvent(events: Array<SkikoTouchEvent>)` in this PR:
https://github.com/JetBrains/skiko/pull/725

samples/SkiaAndroidSample/.gitignore

+src/main/jniLibs/

samples/SkiaAndroidSample/src/main/java/org/jetbrains/skiko/sample/Clocks.kt

@@ -203,14 +203,6 @@ class Clocks(private val layer: SkiaLayer): SkikoView {
         }
     }
 
-    override fun onTouchEvent(events: Array<SkikoTouchEvent>) {
-        val event = events.first()
-        if (event.kind == SkikoTouchEventKind.STARTED) {
-            xpos = event.x
-            ypos = event.y
-        }
-    }
-
     override fun onGestureEvent(event: SkikoGestureEvent) {
         when (event.kind) {
             SkikoGestureEventKind.TAP -> {

samples/SkiaMultiplatformSample/src/commonMain/kotlin/org/jetbrains/skiko/sample/Clocks.kt

@@ -203,14 +203,6 @@ abstract class Clocks(private val layer: SkiaLayer): SkikoView {
         }
     }
 
-    override fun onTouchEvent(events: Array<SkikoTouchEvent>) {
-        val event = events.first()
-        if (event.kind == SkikoTouchEventKind.STARTED) {
-            xpos = event.x
-            ypos = event.y
-        }
-    }
-
     override fun onGestureEvent(event: SkikoGestureEvent) {
         when (event.kind) {
             SkikoGestureEventKind.TAP -> {