refactor: 工程规范化，唯一入口为 products/phone

- entry 模块改为 har（静态共享包），移除 abilities 和入口能力
- entry/build-profile.json5 简化，删除 release 混淆配置
- 根 build-profile.json5 移除 entry 模块，phone 为唯一入口
- 保留 entry 的 requestPermissions 作为依赖参考

entry/src/main/module.json5

@@ -1,31 +1,12 @@
 {
   "module": {
     "name": "entry",
-    "type": "entry",
+    "type": "har",
     "description": "$string:module_desc",
-    "mainElement": "EntryAbility",
     "deviceTypes": ["phone", "tablet", "2in1"],
     "deliveryWithInstall": true,
     "installationFree": false,
     "pages": "$profile:main_pages",
-    "abilities": [
-      {
-        "name": "EntryAbility",
-        "srcEntry": "./ets/entryability/EntryAbility.ets",
-        "description": "$string:EntryAbility_desc",
-        "icon": "$media:layered_image",
-        "label": "$string:EntryAbility_label",
-        "startWindowIcon": "$media:startIcon",
-        "startWindowBackground": "$color:start_window_background",
-        "exported": true,
-        "skills": [
-          {
-            "entities": ["entity.system.home"],
-            "actions": ["action.system.home"]
-          }
-        ]
-      }
-    ],
     "requestPermissions": [
       {
         "name": "ohos.permission.INTERNET"