[vcpkg] Avoid duplication of targets in the CMake message

[myd7349]

vcpkg install octomap:x86-windows

Before:

The package octomap:x86-windows provides CMake targets:

    find_package(octomap CONFIG REQUIRED)
    # Note: 2 target(s) were omitted.
    target_link_libraries(main PRIVATE octomap octomap octomath octomath)

After:

The package octomap:x86-windows provides CMake targets:

    find_package(octomap CONFIG REQUIRED)
    target_link_libraries(main PRIVATE octomap octomath octomap-static octomath-static)