https://bugs.webkit.org/show_bug.cgi?id=126369

Reviewed by Joseph Pecoraro.

Source/WebCore:

No new tests, No change in behavior.

Remove leftover codes from protocol after r156692.

* CMakeLists.txt:
* DerivedSources.make:
* GNUmakefile.am:
* inspector/InspectorFrontendClient.h:
* inspector/InspectorFrontendClientLocal.h:
* inspector/InspectorFrontendHost.cpp:
* inspector/InspectorFrontendHost.h:
* inspector/InspectorFrontendHost.idl:
* inspector/protocol/FileSystem.json: Removed.

Source/WebInspectorUI:

Update InspectorWebBackendCommands after removing 'FileSystem' domain.

* UserInterface/InspectorWebBackendCommands.js:
* UserInterface/Legacy/6.0/InspectorWebBackendCommands.js:
* UserInterface/Legacy/7.0/InspectorWebBackendCommands.js:
* Versions/Inspector-iOS-6.0.json:
* Versions/Inspector-iOS-7.0.json:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161385 268f45cc-cd09-0410-ab3c-d52691b4dbfc