Remove 1 indentation level from uriToRoute()

app/src/main/java/com/vitorpamplona/amethyst/service/Nip19.kt

@@ -14,13 +14,13 @@ class Nip19 {
   enum class Type {
     USER, NOTE, RELAY, ADDRESS
   }
+
   data class Return(val type: Type, val hex: String)
 
   fun uriToRoute(uri: String?): Return? {
     try {
-      val key = uri?.removePrefix("nostr:")
+      val key = uri?.removePrefix("nostr:") ?: return null
 
-      if (key != null) {
       val bytes = key.bechToBytes()
       if (key.startsWith("npub")) {
         return Return(Type.USER, bytes.toHexKey())
@@ -55,7 +55,6 @@ class Nip19 {
         if (d != null)
           return Return(Type.ADDRESS, "$kind:$author:$d")
       }
-      }
     } catch (e: Throwable) {
       println("Issue trying to Decode NIP19 ${uri}: ${e.message}")
       //e.printStackTrace()