Updating the information on CLion integration (#36196)

This commit changes the 'Vcpkg with CLion' section. Starting from the version 2023.2, CLion integrates with vcpkg and there is no need for additional CMake option as before. Also added a link to the official documentation.

Signed-off-by: Marina.Kalashina <marina.kalashina@jetbrains.com>

README.md

@@ -226,16 +226,8 @@ add the path to the vcpkg toolchain file:
 
 ### Vcpkg with CLion
 
-Open the Toolchains settings
-(File > Settings on Windows and Linux, CLion > Preferences on macOS),
-and go to the CMake settings (Build, Execution, Deployment > CMake).
-Finally, in `CMake options`, add the following line:
-
-```
--DCMAKE_TOOLCHAIN_FILE=[vcpkg root]/scripts/buildsystems/vcpkg.cmake
-```
-
-You must add this line to each profile.
+Vcpkg is integrated in the CLion IDE. 
+For details, see the [official documentation](https://www.jetbrains.com/help/clion/package-management.html).
 
 ### Vcpkg as a Submodule with CMake