Update WIIF & WSJC new FIR Boundaries (#799)

* VATPRC Airport change (#784)

* Update VATSpy.dat

* Update VATSpy.dat

* Added various UK enroute event-only callsigns (#786)

* FNAN FNBJ Addition to vatSPY (#788)

Fixes VATSIM-SSA#6

* Fix to FNCT's Coordinates (#787)

* Update to YISA position information (#789)

* Update YBCG_APP callsign

* Update YISA info

* Rename UK airfrields

* Update WIIF & WSJC new FIR Boundaries

* Update Boundaries.geojson

* Update Boundaries.geojson

* Update Boundaries.geojson

* Update Boundaries.geojson

* Update Boundaries.geojson

* Update Boundaries.geojson

* Update WAAF , WIIF & WSJC Callsign

WAAF , WIIF -> CONTROL
WSJC -> RADAR

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Co-authored-by: Rudi Zhang <40914896+RudiZhang@users.noreply.github.com>
Co-authored-by: Harry S <12017284+hazzas-99@users.noreply.github.com>
Co-authored-by: Miguel Albano <30835922+miguelalbano@users.noreply.github.com>
Co-authored-by: Zachari <108783206+zkgell@users.noreply.github.com>
Co-authored-by: Scott Daniels <scottdaniels0292@gmail.com>