Remove references to OS X 10.7 from Xcode configuration settings.

Remove references to OS X 10.7 from Xcode configuration settings.

Now that we're not building for OS X 10.7 they're no longer needed.

Reviewed by Anders Carlsson.

Source/JavaScriptCore:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:

Source/ThirdParty:

* gtest/xcode/Config/General.xcconfig:

Source/ThirdParty/ANGLE:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:

Source/WebCore:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:

Source/WebInspectorUI:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/Version.xcconfig:

Source/WebKit/mac:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:

Source/WebKit2:

* Configurations/Base.xcconfig:
* Configurations/BaseXPCService.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:
* Configurations/WebContentProcess.xcconfig:

Source/WTF:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:

Tools:

* DumpRenderTree/mac/Configurations/Base.xcconfig:
* DumpRenderTree/mac/Configurations/DebugRelease.xcconfig:
* MiniBrowser/Configurations/Base.xcconfig:
* MiniBrowser/Configurations/DebugRelease.xcconfig:
* TestWebKitAPI/Configurations/Base.xcconfig:
* TestWebKitAPI/Configurations/DebugRelease.xcconfig:
* WebKitLauncher/Configurations/Base.xcconfig:
* WebKitTestRunner/Configurations/Base.xcconfig:
* WebKitTestRunner/Configurations/DebugRelease.xcconfig:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@157987 268f45cc-cd09-0410-ab3c-d52691b4dbfc