Use fdupes to remove some duplicated files

OBS-URL: https://build.opensuse.org/package/show/KDE:Applications/lokalize?expand=0&rev=60

lokalize.spec

@@ -48,6 +48,7 @@ BuildRequires:  pkgconfig(Qt5DBus)
 BuildRequires:  pkgconfig(Qt5Script)
 BuildRequires:  pkgconfig(Qt5Sql)
 BuildRequires:  pkgconfig(Qt5Widgets)
+BuildRequires:  fdupes
 Obsoletes:      %{name}5 < %{version}
 Provides:       %{name}5 = %{version}
 Recommends:     %{name}-lang
@@ -81,6 +82,7 @@ export CFLAGS="%{optflags} -fPIC"
     %kf5_find_htmldocs
   %endif
   %suse_update_desktop_file -r org.kde.lokalize      Development Translation
+  %fdupes -s %{buildroot}%{_kf5_sharedir}/lokalize
 
 %files
 %defattr(-,root,root)