Fix compilation errors after merge

ql/src/codeql_ruby/ast/Statement.qll

@@ -9,7 +9,7 @@ private import codeql_ruby.controlflow.internal.ControlFlowGraphImpl
  * This is the root QL class for all statements.
  */
 class Stmt extends AstNode {
-  Stmt::Range range;
+  override Stmt::Range range;
 
   Stmt() { this = range }
 
@@ -38,8 +38,6 @@ class Stmt extends AstNode {
 class ReturningStmt extends Stmt {
   override ReturningStmt::Range range;
 
-  final override string toString() { result = range.toString() }
-
   /** Gets the returned value, if any. */
   final Expr getValue() { result = range.getValue() }
 }

ql/src/codeql_ruby/ast/internal/AST.qll

@@ -43,10 +43,6 @@ module AstNode {
       or
       this = any(Generated::RestAssignment ra).getChild()
       or
-      this instanceof Generated::Return
-      or
-      this instanceof Generated::Break
-      or
       this instanceof Generated::Alias
       or
       this instanceof Generated::SymbolArray
@@ -65,8 +61,6 @@ module AstNode {
       or
       this instanceof Generated::EmptyStatement
       or
-      this instanceof Generated::Next
-      or
       this instanceof Generated::Redo
       or
       this instanceof Generated::Hash

ql/src/codeql_ruby/ast/internal/Statement.qll

@@ -1,8 +1,9 @@
 private import codeql_ruby.AST
+private import codeql_ruby.ast.internal.AST
 private import codeql_ruby.ast.internal.TreeSitter
 
 module Stmt {
-  abstract class Range extends AstNode { }
+  abstract class Range extends AstNode::Range { }
 }
 
 module ReturningStmt {