Fix SharedResource warnings (#19910)

Author: hishamco

aspnetcore/fundamentals/localization.md

@@ -50,7 +50,7 @@ The code above demonstrates each of the two factory create methods.
 
 You can partition your localized strings by controller, area, or have just one container. In the sample app, a dummy class named `SharedResource` is used for shared resources.
 
-[!code-csharp[](localization/sample/3.x/Localization/Resources/SharedResource.cs)]
+[!code-csharp[](localization/sample/3.x/Localization/SharedResource.cs)]
 
 Some developers use the `Startup` class to contain global or shared strings. In the sample below, the `InfoController` and the `SharedResource` localizers are used:
 
@@ -404,7 +404,7 @@ The code above demonstrates each of the two factory create methods.
 
 You can partition your localized strings by controller, area, or have just one container. In the sample app, a dummy class named `SharedResource` is used for shared resources.
 
-[!code-csharp[](localization/sample/3.x/Localization/Resources/SharedResource.cs)]
+[!code-csharp[](localization/sample/3.x/Localization/SharedResource.cs)]
 
 Some developers use the `Startup` class to contain global or shared strings. In the sample below, the `InfoController` and the `SharedResource` localizers are used:
 
@@ -759,7 +759,7 @@ The code above demonstrates each of the two factory create methods.
 
 You can partition your localized strings by controller, area, or have just one container. In the sample app, a dummy class named `SharedResource` is used for shared resources.
 
-[!code-csharp[](localization/sample/3.x/Localization/Resources/SharedResource.cs)]
+[!code-csharp[](localization/sample/3.x/Localization/SharedResource.cs)]
 
 Some developers use the `Startup` class to contain global or shared strings. In the sample below, the `InfoController` and the `SharedResource` localizers are used: