Remove null const

Author: oryan-block

src/main/kotlin/graphql/kickstart/tools/RootTypeInfo.kt

@@ -17,7 +17,6 @@ internal class RootTypeInfo private constructor(
         const val DEFAULT_QUERY_NAME = "Query"
         const val DEFAULT_MUTATION_NAME = "Mutation"
         const val DEFAULT_SUBSCRIPTION_NAME = "Subscription"
-        val DEFAULT_DESCRIPTION: String? = null // According to the GraphQL Specification description should be a string or `null`
 
         fun fromSchemaDefinitions(definitions: List<SchemaDefinition>): RootTypeInfo {
             val queryType = definitions.lastOrNull()?.operationTypeDefinitions?.find { it.name == "query" }?.typeName
@@ -32,7 +31,7 @@ internal class RootTypeInfo private constructor(
     fun getQueryName() = queryType?.name ?: DEFAULT_QUERY_NAME
     fun getMutationName() = mutationType?.name ?: DEFAULT_MUTATION_NAME
     fun getSubscriptionName() = subscriptionType?.name ?: DEFAULT_SUBSCRIPTION_NAME
-    fun getDescription() = description?.content ?: DEFAULT_DESCRIPTION
+    fun getDescription() = description?.content
 
     fun isMutationRequired() = mutationType != null
     fun isSubscriptionRequired() = subscriptionType != null