Swift: Skip lvalue types.

Author: MathiasVP

swift/ql/lib/codeql/swift/elements/type/LValueType.qll

@@ -1,4 +1,5 @@
-// generated by codegen/codegen.py, remove this comment if you wish to edit this file
 private import codeql.swift.generated.type.LValueType
 
-class LValueType extends Generated::LValueType { }
+class LValueType extends Generated::LValueType {
+  override Type getResolveStep() { result = this.getImmediateObjectType() }
+}