Remove bootstrapping magic for qpatch

Breaks with pulse/binary packages, and is not needed anyway.

Reviewed-by: Daniel Molkentin

src/tools/qpatch/qpatch.pro

 TARGET = qpatch
 QT = core
+
 CONFIG += console
 macx:CONFIG -= app_bundle
-SOURCES += qpatch.cpp
 
-QT_BUILD_TREE=$$fromfile($$(QTDIR)/.qmake.cache,QT_BUILD_TREE)
-QT_SOURCE_TREE=$$fromfile($$(QTDIR)/.qmake.cache,QT_SOURCE_TREE)
+SOURCES += qpatch.cpp
 
 DEFINES += QT_UIC
-include(bootstrap.pri)
-
-message($$QT_BUILD_TREE)
-