Minor code cleanup

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt

@@ -94,7 +94,7 @@ internal class ExtensionInstallReceiver(private val listener: Listener) :
     private suspend fun getExtensionFromIntent(context: Context, intent: Intent?): LoadResult {
         val pkgName = getPackageNameFromIntent(intent) ?:
                 return LoadResult.Error("Package name not found")
-        return GlobalScope.async(Dispatchers.Default, CoroutineStart.DEFAULT, { ExtensionLoader.loadExtensionFromPkgName(context, pkgName) }).await()
+        return GlobalScope.async(Dispatchers.Default, CoroutineStart.DEFAULT) { ExtensionLoader.loadExtensionFromPkgName(context, pkgName) }.await()
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt

@@ -173,7 +173,7 @@ internal object ExtensionLoader {
      */
     private fun getSignatureHash(pkgInfo: PackageInfo): String? {
         val signatures = pkgInfo.signatures
-        return if (signatures != null && !signatures.isEmpty()) {
+        return if (signatures != null && signatures.isNotEmpty()) {
             Hash.sha256(signatures.first().toByteArray())
         } else {
             null