Remove build time references so build-compare can do its work

--- LibreCAD-2.0.2/librecad/src/main/qc_applicationwindow.cpp.orig	2014-01-09 20:31:10.000000000 +0200
+++ LibreCAD-2.0.2/librecad/src/main/qc_applicationwindow.cpp	2014-04-20 20:09:25.808375807 +0300
@@ -3851,7 +3851,6 @@
                        tr("Compiler: Microsoft Visual C++<br>") +
 #endif
                        tr("Qt Version: %1").arg(qVersion()) + "<br>" +
-                       tr("Compiled on: %1").arg(__DATE__) + "<br>" +
                        "Portions (c) 2011 by R. van Twisk" + "<br>" +
                        tr("Program Icons Supplied by") +"<br>&nbsp;&nbsp;&nbsp;Pablo: LibreCAD Argentine<br/>" +
                        tr("Splash and Logo supplied by") + "<br>&nbsp;&nbsp;&nbsp;Diego " + "<a href=\"http://daltom.2082studio.com/\">Daltom Designer</a>" + "<br/>" +