Remove support for Android API < 23 in ReactDrawableHelper

Summary:
Since minsdk version was increased to 23, we are deleting code using Android APIs < 23 for class ReactDrawableHelper

chnagelog: [Android][Breaking] Remove support for Android API < 23 in ReactDrawableHelper

Differential Revision: D48545508

fbshipit-source-id: 0bafa39ca5836269ffc146df9a2ba1630796db85

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/view/ReactDrawableHelper.java

@@ -13,7 +13,6 @@
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.RippleDrawable;
-import android.os.Build;
 import android.util.TypedValue;
 import androidx.annotation.Nullable;
 import com.facebook.react.bridge.JSApplicationIllegalArgumentException;
@@ -76,9 +75,7 @@ private static RippleDrawable getRippleDrawable(
   }
 
   private static Drawable setRadius(ReadableMap drawableDescriptionDict, Drawable drawable) {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-        && drawableDescriptionDict.hasKey("rippleRadius")
-        && drawable instanceof RippleDrawable) {
+    if (drawableDescriptionDict.hasKey("rippleRadius") && drawable instanceof RippleDrawable) {
       RippleDrawable rippleDrawable = (RippleDrawable) drawable;
       double rippleRadius = drawableDescriptionDict.getDouble("rippleRadius");
       rippleDrawable.setRadius((int) PixelUtil.toPixelFromDIP(rippleRadius));