Cpaster: Fix RPATH

No additional RPATH magic necessary - cpaster gets it set already by
including qtcreatortool.pri.

Change-Id: I08af0ea47f0cd12608aed9caebe424be97531447
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>

src/plugins/cpaster/frontend/frontend.pro

@@ -10,8 +10,6 @@ include(../../../qtcreatortool.pri)
 
 QT += network
 
-linux-*: QMAKE_LFLAGS += -Wl,-z,origin \'-Wl,-rpath,\$\$ORIGIN/$$relative_path($$IDE_PLUGIN_PATH, $$DESTDIR)\'
-
 HEADERS = ../protocol.h \
     ../cpasterconstants.h \
     ../pastebindotcomprotocol.h \