more refactoring

app/src/main/java/net/pokeranalytics/android/model/filter/Filterable.kt

@@ -55,9 +55,7 @@ class FilterHelper {
 			val clazz = T::class.java
 
 			return when (clazz) {
-				Session::class.java -> {
+				Session::class.java -> Session.fieldNameForQueryType(queryType)
-					Session.fieldNameForQueryType(queryType)
-				}
 				ComputableResult::class.java -> ComputableResult.fieldNameForQueryType(queryType)
 				SessionSet::class.java -> SessionSet.fieldNameForQueryType(queryType)
 				else -> {