remove node_modules and .gitignore them

node_modules/tstl/exception/ErrorCategory.d.ts

@@ -1,51 +0,0 @@
-/**
- * @packageDocumentation
- * @module std
- */
-import { ErrorCode } from "./ErrorCode";
-import { ErrorCondition } from "./ErrorCondition";
-/**
- * Error category.
- *
- * @author Jeongho Nam - https://github.com/samchon
- */
-export declare abstract class ErrorCategory {
-    /**
-     * Default Constructor.
-     */
-    constructor();
-    /**
-     * Get category name.
-     */
-    abstract name(): string;
-    /**
-     * Get error message.
-     *
-     * @param val Identifier of an error condition.
-     * @return The error message.
-     */
-    abstract message(val: number): string;
-    /**
-     * Get default error condition.
-     *
-     * @param val Identifier of an error condition.
-     * @return The error condition.
-     */
-    default_error_condition(val: number): ErrorCondition;
-    /**
-     * Test equivalence.
-     *
-     * @param val_code Identifier of an error code.
-     * @param cond An error condition.
-     * @return Whether equivalent or not.
-     */
-    equivalent(val_code: number, cond: ErrorCondition): boolean;
-    /**
-     * Test equivalence.
-     *
-     * @param code An error code.
-     * @param val_cond Identifier of an error condition.
-     * @return Whether equivalent or not.
-     */
-    equivalent(code: ErrorCode, val_cond: number): boolean;
-}