FXOLAT-358: remove empty classes and unused i18n files

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_pl.properties

-#Mon Mar 02 09:54:17 CET 2009
-command.closePreview=Zamknij podgl\u0105d

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_pt_BR.properties

-#Mon Mar 02 09:54:00 CET 2009
-command.closePreview=Fechar visualiza\u00E7\u00E3o

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_pt_PT.properties

-#Mon Mar 02 09:54:05 CET 2009
-command.closePreview=Fechar visualiza\u00E7\u00E3o

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_ru.properties

-#Mon Mar 02 09:54:19 CET 2009
-command.closePreview=\u0417\u0430\u043A\u0440\u044B\u0442\u044C \u043F\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043B\u044C\u043D\u044B\u0439 \u043F\u0440\u043E\u0441\u043C\u043E\u0442\u0440

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_sq.properties

-#Mon Mar 02 09:54:12 CET 2009
-command.closePreview=Mbylle paraafishimin

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_zh_CN.properties

-#Mon Mar 02 09:54:03 CET 2009
-command.closePreview=\u5173\u95ED\u9884\u89C8

src/main/java/org/olat/modules/qe/_i18n/LocalStrings_zh_TW.properties

-#Mon Mar 02 09:54:06 CET 2009
-command.closePreview=\u95DC\u9589\u9810\u89BD

src/main/java/org/olat/modules/qe/_i18n/i18nBundleMetadata.properties

-bundle.priority = 500

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_bg.properties

-#Mon May 25 22:11:18 CEST 2009
-newposts={0} \u043D\u043E\u0432\u0438 \u0441\u044A\u043E\u0431\u0449\u0435\u043D\u0438\u044F

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_cs.properties

-#Mon Mar 02 09:54:14 CET 2009
-newposts={0} nov\u00E9 zpr\u00E1vy

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_da.properties

-#Mon Mar 02 09:54:09 CET 2009
-newposts={0} nye beskeder

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_el.properties

-#Mon Mar 02 09:54:16 CET 2009
-newposts={0} \u03BD\u03AD\u03B1 \u03BC\u03B7\u03BD\u03CD\u03BC\u03B1\u03C4\u03B1

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_es.properties

-#Mon Mar 02 09:54:21 CET 2009
-newposts={0} nuevos mensajes

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_fa.properties

-#Mon Mar 02 09:54:13 CET 2009
-newposts={0}\u067E\u06CC\u063A\u0627\u0645 \u062C\u062F\u06CC\u062F

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_fr.properties

-#Mon Mar 02 09:54:08 CET 2009
-newposts={0} nouveaux messages

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_it.properties

-#Mon Mar 02 09:54:10 CET 2009
-newposts={0} nuovi messaggi

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_lt.properties

-#Mon Mar 02 09:54:02 CET 2009
-newposts={0} naujos \u017Einut\u0117s

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_pl.properties

-#Mon Mar 02 09:54:17 CET 2009
-newposts={0} nowych wiadomo\u015Bci

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_pt_BR.properties

-#Mon Mar 02 09:54:00 CET 2009
-newposts={0} novas mensagens

src/main/java/org/olat/notifications/handler/forum/_i18n/LocalStrings_pt_PT.properties

-#Mon Mar 02 09:54:05 CET 2009
-newposts={0} novas mensagens