chore: SHK-0000 updated readme

Author: smislav

example/README.md

@@ -6,14 +6,6 @@ Before running the project make sure you have installed project packages from th
 
 `yarn install`
 
-## Make sure that sdk generated files are existing
-
-In the root directory _ios/generated_ and _android/generated_ folders should be created.
-
-Run the following command in the root directory if files are missing:
-
-`yarn prepare`
-
 ## Run
 
 Now, you can run the project on Android or iOS by using one of the following commands from the **example** directory: