removed the "use file command" option from the GUI index config tool, as you would very seldom want to turn this off and users make mistakes. Still available by editing the config file

src/qtgui/confgui/confguiindex.cpp

@@ -298,12 +298,6 @@ ConfTopPanelW::ConfTopPanelW(QWidget *parent, ConfNull *config)
 			 "0 means no limit (this is the default)."), 0, 100);
     gl1->addWidget(w, 5, 0);
 
-    ConfLink lnkusfc(new ConfLinkRclRep(config, "usesystemfilecommand"));
-    w = new ConfParamBoolW(this, lnkusfc, tr("Use system's 'file' command"),
-		       tr("Use the system's 'file' command if internal<br>"
-			  "mime type identification fails."));
-    gl1->addWidget(w, 5, 1);
-    
     ConfLink lnknaspl(new ConfLinkRclRep(config, "noaspell"));
     ConfParamBoolW* cpasp =
     new ConfParamBoolW(this, lnknaspl, tr("No aspell usage"),