Remove useless included header and change position of Proximity Events test cases

https://bugs.webkit.org/show_bug.cgi?id=103871

Reviewed by Antonio Gomes.

Source/WebCore:

Remove useless included header from DeviceProximityEvent.cpp.

No new tests, It is just code refactoring.

* Modules/proximity/DeviceProximityEvent.cpp:

LayoutTests:

Change the path of Proximity Events test cases from LayoutTests/fast/dom/Proximity to LayoutTests/proximity.

* platform/chromium/TestExpectations:
* platform/efl/TestExpectations:
* platform/gtk/TestExpectations:
* platform/mac/TestExpectations:
* platform/qt/TestExpectations:
* platform/win/TestExpectations:
* platform/wincairo/TestExpectations:
* proximity/check-event-deviceproximity-expected.txt: Renamed from LayoutTests/fast/dom/Proximity/check-event-deviceproximity-expected.txt.
* proximity/check-event-deviceproximity.html: Renamed from LayoutTests/fast/dom/Proximity/check-event-deviceproximity.html.
* proximity/create-event-deviceproximity-expected.txt: Renamed from LayoutTests/fast/dom/Proximity/create-event-deviceproximity-expected.txt.
* proximity/create-event-deviceproximity.html: Renamed from LayoutTests/fast/dom/Proximity/create-event-deviceproximity.html.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@136385 268f45cc-cd09-0410-ab3c-d52691b4dbfc