Swift: Make ConstructorDecl, DestructorDecl into MethodDecls.

Author: geoffw0

swift/ql/lib/codeql/swift/elements/decl/ConstructorDecl.qll

@@ -1,4 +1,4 @@
-// generated by codegen/codegen.py, remove this comment if you wish to edit this file
 private import codeql.swift.generated.decl.ConstructorDecl
+private import codeql.swift.elements.decl.MethodDecl
 
-class ConstructorDecl extends Generated::ConstructorDecl { }
+class ConstructorDecl extends Generated::ConstructorDecl, MethodDecl { }

swift/ql/lib/codeql/swift/elements/decl/DestructorDecl.qll

@@ -1,4 +1,4 @@
-// generated by codegen/codegen.py, remove this comment if you wish to edit this file
 private import codeql.swift.generated.decl.DestructorDecl
+private import codeql.swift.elements.decl.MethodDecl
 
-class DestructorDecl extends Generated::DestructorDecl { }
+class DestructorDecl extends Generated::DestructorDecl, MethodDecl { }