QmlJS: Remove LookupContext.

Use Context or ScopeChain instead.

Change-Id: I2489477eac08774ba41710ee81876aab11b5af24
Reviewed-on: http://codereview.qt.nokia.com/1699
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>

src/libs/qmljs/qmljs-lib.pri

@@ -18,7 +18,6 @@ HEADERS += \
     $$PWD/qmljslink.h \
     $$PWD/qmljscheck.h \
     $$PWD/qmljsscopebuilder.h \
-    $$PWD/qmljslookupcontext.h \
     $$PWD/qmljslineinfo.h \
     $$PWD/qmljscompletioncontextfinder.h \
     $$PWD/qmljsmodelmanagerinterface.h \
@@ -42,7 +41,6 @@ SOURCES += \
     $$PWD/qmljslink.cpp \
     $$PWD/qmljscheck.cpp \
     $$PWD/qmljsscopebuilder.cpp \
-    $$PWD/qmljslookupcontext.cpp \
     $$PWD/qmljslineinfo.cpp \
     $$PWD/qmljscompletioncontextfinder.cpp \
     $$PWD/qmljsmodelmanagerinterface.cpp \