Revert "Ugly workaround for historic sxw files..."

There is cleaner, scriptable and out-of-source-tree workaround available at:
http://fridrich.blogspot.ch/2013/08/service-announcement-openning-of-sxw.html

This reverts commit 36c64c87.

Change-Id: I37362e996ff1c73bcc88d1037defd07d7bab90af

sw/source/ui/uno/swdetect.cxx

@@ -240,11 +240,7 @@ OUString SAL_CALL SwFilterDetect::detect( Sequence< PropertyValue >& lDescriptor
                     }
                     catch (const WrappedTargetException& aWrap)
                     {
-                        /* Cater for non-compliant sxw files created once upon a time by old libwpd/wpd2sxw combo
-                           Don't bail-out early if the document is considered as corrupted. This allows us not to
-                           reach the -- apparently -- catch-all SmFilterDetect::detect.
-                         */
-                        if (!bDeepDetection && aTypeName != "writer_StarOffice_XML_Writer")
+                        if (!bDeepDetection)
                             // Bail out early unless it's a deep detection.
                             return OUString();