add 'libtemplate-plugin-gettext-perl' to groovy

dists/groovy/Dockerfile

@@ -90,6 +90,7 @@ WORKDIR /kohadevbox
 RUN apt-get -y update \
    && apt-get -y install \
          libexpat1-dev \
+         libtemplate-plugin-gettext-perl \
    && rm -rf /var/cache/apt/archives/* \
    && rm -rf /var/lib/api/lists/*
 
@@ -102,8 +103,7 @@ RUN cpanm -i --force \
        Text::CSV::Unicode \
        Devel::Cover::Report::Clover \
        WebService::ILS \
-       Selenium::Remote::Driver \
-       Locale::XGettext::TT2
+       Selenium::Remote::Driver
 
 # Patch Devel::Cover to skip exec
 RUN wget -O Devel-Cover.tar.gz \