Remove "node_modules" (#57)

It's needed only on the release branch. No need to pollute development
branches with that. CI is able to "npm install" it back.

node_modules/@actions/core/lib/file-command.js

@@ -1,42 +0,0 @@
-"use strict";
-// For internal use, subject to change.
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.issueCommand = void 0;
-// We use any as a valid input type
-/* eslint-disable @typescript-eslint/no-explicit-any */
-const fs = __importStar(require("fs"));
-const os = __importStar(require("os"));
-const utils_1 = require("./utils");
-function issueCommand(command, message) {
-    const filePath = process.env[`GITHUB_${command}`];
-    if (!filePath) {
-        throw new Error(`Unable to find environment variable for file command ${command}`);
-    }
-    if (!fs.existsSync(filePath)) {
-        throw new Error(`Missing file at path: ${filePath}`);
-    }
-    fs.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os.EOL}`, {
-        encoding: 'utf8'
-    });
-}
-exports.issueCommand = issueCommand;
-//# sourceMappingURL=file-command.js.map