remove node_modules and .gitignore them

node_modules/tstl/internal/tree/XTree.d.ts

@@ -1,41 +0,0 @@
-/**
- * @packageDocumentation
- * @module std.internal
- */
-import { XTreeNode } from "./XTreeNode";
-import { Comparator } from "../functional/Comparator";
-/**
- * Red-Black Tree
- *
- * @reference https://en.wikipedia.org/w/index.php?title=Red%E2%80%93black_tree
- * @inventor Rudolf Bayer
- * @author Jeongho Nam - https://github.com/samchon
- */
-export declare abstract class XTree<T> {
-    protected root_: XTreeNode<T> | null;
-    private comp_;
-    private equal_;
-    protected constructor(comp: Comparator<T>);
-    clear(): void;
-    root(): XTreeNode<T> | null;
-    get(val: T): XTreeNode<T> | null;
-    nearest(val: T): XTreeNode<T> | null;
-    private _Fetch_maximum;
-    insert(val: T): void;
-    private _Insert_case1;
-    private _Insert_case2;
-    private _Insert_case3;
-    private _Insert_case4;
-    private _Insert_case5;
-    erase(val: T): void;
-    private _Erase_case1;
-    private _Erase_case2;
-    private _Erase_case3;
-    private _Erase_case4;
-    private _Erase_case5;
-    private _Erase_case6;
-    private _Rotate_left;
-    private _Rotate_right;
-    private _Replace_node;
-    private _Fetch_color;
-}