remove useless

frontend/package.json

@@ -29,7 +29,6 @@
     "react-scripts": "5.0.1",
     "rimraf": "^5.0.5",
     "typescript": "^5.2.2",
-    "web-vitals": "^4.2.1",
     "workbox-background-sync": "^7.1.0",
     "workbox-broadcast-update": "^7.1.0",
     "workbox-cacheable-response": "^7.1.0",

frontend/src/reportWebVitals.ts

@@ -1,15 +0,0 @@
-import { ReportHandler } from 'web-vitals';
-
-const reportWebVitals = (onPerfEntry?: ReportHandler) => {
-  if (onPerfEntry && onPerfEntry instanceof Function) {
-    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
-      getCLS(onPerfEntry);
-      getFID(onPerfEntry);
-      getFCP(onPerfEntry);
-      getLCP(onPerfEntry);
-      getTTFB(onPerfEntry);
-    });
-  }
-};
-
-export default reportWebVitals;

frontend/yarn.lock

@@ -9991,7 +9991,7 @@ wbuf@^1.1.0, wbuf@^1.7.3:
   dependencies:
     minimalistic-assert "^1.0.0"
 
-web-vitals@^4.0.1, web-vitals@^4.2.0:
+web-vitals@^4.0.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/web-vitals/-/web-vitals-4.2.1.tgz#67eec387ddd0ef4c25574a01ab9dae723eee2b97"
   integrity sha512-U6bAxeudnhDqcXNl50JC4hLlqox9DZnngxfISZm3DMZnonW35xtJOVUc091L+DOY+6hVZVpKXoiCP0RiT6339Q==