fix(data): clarify Phones 2024 variant names

Refs #1

Author: Seungpyo1007

data/smartphone/oppo/2018/f9-f9-pro/oppo-f9-f9-pro-6gb-128gb-4g-lte.json

@@ -1,6 +1,6 @@
 {
   "slug": "oppo-f9-f9-pro-6gb-128gb-4g-lte",
-  "name": "Oppo F9 (F9 Pro)",
+  "name": "Oppo F9 Pro",
   "brand": "oppo",
   "release_date": "2018-08-01",
   "ram_gb": 6,

data/smartphone/vivo/2018/v11-v11-pro/vivo-v11-v11-pro-6gb-128gb-4g-lte.json

@@ -1,6 +1,6 @@
 {
   "slug": "vivo-v11-v11-pro-6gb-128gb-4g-lte",
-  "name": "vivo V11 (V11 Pro)",
+  "name": "vivo V11 Pro",
   "brand": "vivo",
   "release_date": "2018-09-01",
   "ram_gb": 6,

site/public/v1/smartphones/index.json

@@ -109353,7 +109353,7 @@
     },
     {
       "slug": "oppo-f9-f9-pro-6gb-128gb-4g-lte",
-      "name": "Oppo F9 (F9 Pro)",
+      "name": "Oppo F9 Pro",
       "url": "/v1/smartphones/oppo-f9-f9-pro-6gb-128gb-4g-lte"
     },
     {
@@ -208703,7 +208703,7 @@
     },
     {
       "slug": "vivo-v11-v11-pro-6gb-128gb-4g-lte",
-      "name": "vivo V11 (V11 Pro)",
+      "name": "vivo V11 Pro",
       "url": "/v1/smartphones/vivo-v11-v11-pro-6gb-128gb-4g-lte"
     },
     {

site/public/v1/smartphones/oppo-f9-f9-pro-6gb-128gb-4g-lte/index.json

@@ -2,7 +2,7 @@
   "id": 20762,
   "slug": "oppo-f9-f9-pro-6gb-128gb-4g-lte",
   "base_model_slug": "f9-f9-pro",
-  "name": "Oppo F9 (F9 Pro)",
+  "name": "Oppo F9 Pro",
   "brand": {
     "id": 37,
     "slug": "oppo",

site/public/v1/smartphones/vivo-v11-v11-pro-6gb-128gb-4g-lte/index.json

@@ -2,7 +2,7 @@
   "id": 34710,
   "slug": "vivo-v11-v11-pro-6gb-128gb-4g-lte",
   "base_model_slug": "v11-v11-pro",
-  "name": "vivo V11 (V11 Pro)",
+  "name": "vivo V11 Pro",
   "brand": {
     "id": 52,
     "slug": "vivo",