Revert "make LANGUAGE setting universal, not just gtk specific"

poxy cppunit tests can't use config here

This reverts commit f55eeb7a.

vcl/source/app/svmain.cxx

@@ -318,17 +318,6 @@ bool InitVCL()
         // soffice/sfx implementation creates the global service manager
         pSVData->mpApp->Init();
 
-    //Now that uno has been bootstrapped we can ask the config what the UI language is so that we can
-    //force that in as $LANGUAGE. That way we can get gtk to render widgets RTL
-    //if we have a RTL UI in an otherwise LTR locale and get gettext using externals (e.g. python)
-    //to match their translations to our preferred UI language
-    OUString aLocaleString(Application::GetSettings().GetUILanguageTag().getGlibcLocaleString(".UTF-8"));
-    if (!aLocaleString.isEmpty())
-    {
-        OUString envVar("LANGUAGE");
-        osl_setEnvironment(envVar.pData, aLocaleString.pData);
-    }
-
     pSVData->mpDefInst->AfterAppInit();
 
     // Fetch AppFileName and make it absolute before the workdir changes...

vcl/unx/gtk/gtkinst.cxx

@@ -167,6 +167,12 @@ GtkInstance::GtkInstance( SalYieldMutex* pMutex )
 //UI in a LTR locale
 void GtkInstance::AfterAppInit()
 {
+    OUString aLocaleString(Application::GetSettings().GetUILanguageTag().getGlibcLocaleString(".UTF-8"));
+    if (!aLocaleString.isEmpty())
+    {
+        OUString envVar("LANGUAGE");
+        osl_setEnvironment(envVar.pData, aLocaleString.pData);
+    }
     EnsureInit();
 }