Removed useless method from languagetag

Change-Id: I683c54ed278d5a6ba12eaefb8040c3753a24f119
Signed-off-by: Paula Mannes <paulamannes@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/1204Reviewed-by: Olivier Hallot <olivier.hallot@alta.org.br>
Tested-by: Olivier Hallot <olivier.hallot@alta.org.br>

i18npool/source/languagetag/languagetag.cxx

@@ -70,7 +70,6 @@ public:
         if (mnRef != SAL_MAX_UINT32 && mnRef && !--mnRef)
             teardown();
     }
-    void presetDataPath( const rtl::OUString& rPath );
 private:
     rtl::OString maDataPath;   // path to liblangtag data, "|" if system
     sal_uInt32   mnRef;
@@ -112,15 +111,6 @@ void LiblantagDataRef::teardown()
     lt_db_finalize();
 }
 
-void LiblantagDataRef::presetDataPath( const rtl::OUString& rPath )
-{
-    if (maDataPath.isEmpty())
-    {
-        maDataPath = OUStringToOString( rPath, RTL_TEXTENCODING_UTF8);
-        lt_db_set_datadir( maDataPath.getStr());
-    }
-}
-
 void LiblantagDataRef::setupDataPath()
 {
     // maDataPath is assumed to be empty here.

unusedcode.easy

 FontSelectPattern::FontSelectPattern(PhysicalFontFace const&, Size const&, float, int, bool)
 GraphicObject::SwapIn(SvStream*)
-LiblantagDataRef::presetDataPath(rtl::OUString const&)
 Line::GetLength() const
 Line::Intersection(Rectangle const&, Line&) const
 PoHeader::getLanguage() const