LINK_CONFIGURATION_CHANGED broadcast: stop including EXTRA_LINK_PROPERTIES

This extra is unused, and potentially exposes sensitive information
that can be accessed without any permissions.

Bug: 162246414
Test: atest FrameworksWifiTests
Change-Id: I57c3db765283d8bbb410a0b790e27054c5ab561a
Merged-In: I57c3db765283d8bbb410a0b790e27054c5ab561a