Fixed improper page title definition

pages/doc.vue

@@ -382,7 +382,7 @@ export default {
   },
   head() {
     return {
-      title: `Documentation • ${this.$store.state.name}`,
+      title: `Documentation • Hoppscotch`,
     }
   },
 }

pages/graphql.vue

@@ -822,7 +822,7 @@ export default {
   },
   head() {
     return {
-      title: `GraphQL • ${this.$store.state.name}`,
+      title: `GraphQL • Hoppscotch`,
     }
   },
 }

pages/realtime.vue

@@ -26,7 +26,7 @@
 export default {
   head() {
     return {
-      title: `Realtime • ${this.$store.state.name}`,
+      title: `Realtime • Hoppscotch`,
     }
   },
 }

pages/settings.vue

@@ -319,7 +319,7 @@ export default {
   },
   head() {
     return {
-      title: `Settings • ${this.$store.state.name}`,
+      title: `Settings • Hoppscotch`,
     }
   },
 }