code refactoring, removed react helmet

frontend/pnpm-lock.yaml

@@ -29,9 +29,6 @@ dependencies:
   react-dom:
     specifier: ^18.2.0
     version: 18.2.0(react@18.2.0)
-  react-helmet:
-    specifier: ^6.1.0
-    version: 6.1.0(react@18.2.0)
   react-router-dom:
     specifier: ^6.17.0
     version: 6.17.0(react-dom@18.2.0)(react@18.2.0)
@@ -1138,22 +1135,6 @@ packages:
       scheduler: 0.23.0
     dev: false
 
-  /react-fast-compare@3.2.2:
-    resolution: {integrity: sha512-nsO+KSNgo1SbJqJEYRE9ERzo7YtYbou/OqjSQKxV7jcKox7+usiUVZOAC+XnDOABXggQTno0Y1CpVnuWEc1boQ==}
-    dev: false
-
-  /react-helmet@6.1.0(react@18.2.0):
-    resolution: {integrity: sha512-4uMzEY9nlDlgxr61NL3XbKRy1hEkXmKNXhjbAIOVw5vcFrsdYbH2FEwcNyWvWinl103nXgzYNlns9ca+8kFiWw==}
-    peerDependencies:
-      react: '>=16.3.0'
-    dependencies:
-      object-assign: 4.1.1
-      prop-types: 15.8.1
-      react: 18.2.0
-      react-fast-compare: 3.2.2
-      react-side-effect: 2.1.2(react@18.2.0)
-    dev: false
-
   /react-is@16.13.1:
     resolution: {integrity: sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==}
     dev: false
@@ -1185,14 +1166,6 @@ packages:
       react: 18.2.0
     dev: false
 
-  /react-side-effect@2.1.2(react@18.2.0):
-    resolution: {integrity: sha512-PVjOcvVOyIILrYoyGEpDN3vmYNLdy1CajSFNt4TDsVQC5KpTijDvWVoR+/7Rz2xT978D8/ZtFceXxzsPwZEDvw==}
-    peerDependencies:
-      react: ^16.3.0 || ^17.0.0 || ^18.0.0
-    dependencies:
-      react: 18.2.0
-    dev: false
-
   /react-transition-group@4.4.5(react-dom@18.2.0)(react@18.2.0):
     resolution: {integrity: sha512-pZcd1MCJoiKiBR2NRxeCRg13uCXbydPnmB4EOeRrY7480qNWO8IIgQG6zlDkm6uRMsURXPuKq0GWtiM59a5Q6g==}
     peerDependencies: