Drop incompatiable java annotations

Both Nullable and NonNull are java annotations and doesn't work on Kotlin.
Drop them to make lint happy.

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/MainActivity.kt

@@ -90,7 +90,7 @@ class MainActivity : BaseActivity() {
     companion object {
         @JvmStatic
         private fun matchDestination(
-            @NonNull destination: NavDestination?,
+            destination: NavDestination?,
             @IdRes destId: Int
         ): Boolean {
             var currentDestination = destination

app/src/main/java/com/aurora/store/view/epoxy/views/HeaderView.kt

@@ -67,7 +67,7 @@ class HeaderView : RelativeLayout {
 
     @JvmOverloads
     @ModelProp
-    fun browseUrl(@Nullable browseUrl: String? = String()) {
+    fun browseUrl(browseUrl: String? = String()) {
         if (browseUrl.isNullOrEmpty())
             B.imgAction.visibility = INVISIBLE
     }
@@ -81,4 +81,4 @@ class HeaderView : RelativeLayout {
     fun clear() {
         B.imgAction.visibility = VISIBLE
     }
-}
+}