Remove mention of unsupported resource type for tabBarIcon

Author: satya164

versioned_docs/version-7.x/native-bottom-tab-navigator.md

@@ -197,33 +197,35 @@ The icon can be of following types:
   }
   ```
 
-  On iOS, you can additionally pass a `tinted` property to control whether the icon should be tinted with the active/inactive color:
+  It's necessary to provide icons for multiple screen densities (1x, 2x, 3x), e.g.: `icon.png`, `icon@2x.png`, `icon@3x.png` etc. as icons are not scaled automatically on iOS.
+
+  It also supports [drawable resource](https://developer.android.com/guide/topics/resources/drawable-resource) on Android, [xcasset](https://developer.apple.com/documentation/xcode/adding-images-to-your-xcode-project) on iOS:
 
   ```js
   tabBarIcon: {
     type: 'image',
-    source: require('./path/to/icon.png'),
-    tinted: false,
+    source: { uri: 'icon_name' },
   }
   ```
 
-  The image is tinted by default.
-
-- [SF Symbols](https://developer.apple.com/sf-symbols/) name - Supported on iOS
+  A `tinted` property can be used to control whether the icon should be tinted with the active/inactive color:
 
   ```js
   tabBarIcon: {
-    type: 'sfSymbol',
-    name: 'heart',
+    type: 'image',
+    source: require('./path/to/icon.png'),
+    tinted: false,
   }
   ```
 
-- Resource name - [Drawable resource](https://developer.android.com/guide/topics/resources/drawable-resource) on Android, [xcasset](https://developer.apple.com/documentation/xcode/adding-images-to-your-xcode-project) on iOS.
+  The image is tinted by default. Set `tinted` to `false` if the image has its own colors that you want to preserve on iOS. On Android, the image is always tinted and the `tinted` property is ignored.
+
+- [SF Symbols](https://developer.apple.com/sf-symbols/) name - Supported on iOS
 
   ```js
   tabBarIcon: {
-    type: 'resource',
-    name: 'sunny',
+    type: 'sfSymbol',
+    name: 'heart',
   }
   ```
 
@@ -249,8 +251,8 @@ tabBarIcon: Platform.select({
     name: 'heart',
   },
   android: {
-    type: 'resource',
-    name: 'heart_icon',
+    type: 'image',
+    source: require('./path/to/icon.png'),
   },
 });
 ```