Minor. Drop unused property

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/types/LazyJavaTypeResolver.kt

@@ -275,9 +275,6 @@ class LazyJavaTypeResolver(
             override val isTypeVariable: Boolean = lowerBound.getConstructor() == upperBound.getConstructor()
                                                    && lowerBound.getConstructor().getDeclarationDescriptor() is TypeParameterDescriptor
 
-            override val typeParameterDescriptor: TypeParameterDescriptor? =
-                    if (isTypeVariable) lowerBound.getConstructor().getDeclarationDescriptor() as TypeParameterDescriptor else null
-
             override fun substitutionResult(replacement: KotlinType): KotlinType {
                 return if (replacement.isFlexible()) replacement
                        else create(replacement, TypeUtils.makeNullable(replacement))

core/descriptors/src/org/jetbrains/kotlin/types/TypeCapabilities.kt

@@ -66,9 +66,6 @@ fun oneMoreSpecificThanAnother(a: KotlinType, b: KotlinType) =
 interface CustomTypeVariable : TypeCapability {
     val isTypeVariable: Boolean
 
-    // If typeParameterDescriptor != null <=> isTypeVariable == true, this is not a type variable
-    val typeParameterDescriptor: TypeParameterDescriptor?
-
     // Throws an exception when isTypeVariable == false
     fun substitutionResult(replacement: KotlinType): KotlinType
 }