fix(build): remove sample from tsconfig

tsconfig.json

@@ -9,10 +9,10 @@
     "experimentalDecorators": true,
     "target": "es2017",
     "sourceMap": false,
-    "baseUrl": "./",
+    "rootDir": "./lib",
     "outDir": "./dist",
     "skipLibCheck": true
   },
-  "include": ["lib/**/*", "./sample/**/*"],
+  "include": ["lib/**/*"],
   "exclude": ["node_modules", "**/*.spec.ts"]
 }