Remove qmake build files

Removes qmake as a build system for building Qt Creator itself.
Keep them for some tests that are not completely moved to CMake yet.

Change-Id: I846c6ef65626b6dfae6375fdc85d00677aa8c2fb
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/ios/ios.pro

@@ -1,63 +0,0 @@
-TEMPLATE = lib
-TARGET = Ios
-
-include(../../qtcreatorplugin.pri)
-
-QT += xml network
-
-macx: LIBS += -framework CoreFoundation -framework IOKit
-
-HEADERS += \
-    iosconstants.h \
-    iosconfigurations.h \
-    iosrunconfiguration.h \
-    iossettingspage.h \
-    iossettingswidget.h \
-    iosrunner.h \
-    iosdsymbuildstep.h \
-    iosqtversion.h \
-    iosplugin.h \
-    iosdevice.h \
-    iossimulator.h \
-    iosprobe.h \
-    iosbuildstep.h \
-    iostoolhandler.h \
-    iosdeploystep.h \
-    simulatorcontrol.h \
-    iosbuildconfiguration.h \
-    createsimulatordialog.h \
-    simulatoroperationdialog.h \
-    simulatorinfomodel.h
-
-
-SOURCES += \
-    iosconfigurations.cpp \
-    iosrunconfiguration.cpp \
-    iossettingspage.cpp \
-    iossettingswidget.cpp \
-    iosrunner.cpp \
-    iosdsymbuildstep.cpp \
-    iosqtversion.cpp \
-    iosplugin.cpp \
-    iosdevice.cpp \
-    iossimulator.cpp \
-    iosprobe.cpp \
-    iosbuildstep.cpp \
-    iostoolhandler.cpp \
-    iosdeploystep.cpp \
-    simulatorcontrol.cpp \
-    iosbuildconfiguration.cpp \
-    createsimulatordialog.cpp \
-    simulatoroperationdialog.cpp \
-    simulatorinfomodel.cpp
-
-FORMS += \
-    iossettingswidget.ui \
-    createsimulatordialog.ui \
-    simulatoroperationdialog.ui
-
-DEFINES += IOS_LIBRARY
-
-RESOURCES += ios.qrc
-
-win32: LIBS += -lws2_32

src/plugins/ios/ios_dependencies.pri

@@ -1,10 +0,0 @@
-QTC_PLUGIN_NAME = Ios
-QTC_LIB_DEPENDS += \
-    utils \
-    qmldebug
-QTC_PLUGIN_DEPENDS += \
-    coreplugin \
-    debugger \
-    projectexplorer \
-    qmakeprojectmanager \
-    cmakeprojectmanager