[gtksourceview] Revert "dtl.lang: Add Django template language"

[Sébastien Wilmet <swilmet src gnome org>]

commit 6a26f22742795dadc83367250c070b5ade5284d7
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jan 15 16:28:34 2017 +0100

    Revert "dtl.lang: Add Django template language"
    
    This reverts commit c393e770cbeff72b5aefac7a8555809a81d7648e.
    
    This broke `make check`.

 data/language-specs/Makefile.am    |    1 -
 data/language-specs/dtl.lang       |  298 ------------------------------------
 po/POTFILES.skip                   |    1 -
 tests/syntax-highlighting/file.dtl |   14 --
 4 files changed, 0 insertions(+), 314 deletions(-)
---
diff --git a/data/language-specs/Makefile.am b/data/language-specs/Makefile.am
index db87b2c..d5039fc 100644
--- a/data/language-specs/Makefile.am
+++ b/data/language-specs/Makefile.am
@@ -27,7 +27,6 @@ LANGUAGES =                   \
        def.lang                \
        desktop.lang            \
        diff.lang               \
-       dtl.lang                \
        d.lang                  \
        docbook.lang            \
        dosbatch.lang           \
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 434c89f..3cfda9d 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -30,7 +30,6 @@ data/language-specs/cuda.lang
 data/language-specs/def.lang
 data/language-specs/desktop.lang
 data/language-specs/diff.lang
-data/language-specs/dtl.lang
 data/language-specs/d.lang
 data/language-specs/docbook.lang
 data/language-specs/dosbatch.lang