Gerrit: Remove the "Always prompt" setting

It's confusing. The user can just choose the path in the dialog rather
than in a popup

Change-Id: I91422ec9baf5508d3e3d2e552afc6b955fd84748
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/gerrit/gerritparameters.h

@@ -58,7 +58,6 @@ public:
     QString repositoryPath;
     QStringList savedQueries;
     bool https;
-    bool promptPath;
     QString portFlag;
 };