[jhbuild/pre-3-cleanup] Assume minidom is always available

[Christoph Reiter <creiter src gnome org>]

commit e6a3b308c4a732a417db88c5432abfc314216fea
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sat Sep 21 22:54:39 2019 +0200

    Assume minidom is always available
    
    It's in the stdlib, and used in other places unconditionally anyway.

 jhbuild/moduleset.py       | 9 ++-------
 jhbuild/utils/httpcache.py | 6 +-----
 2 files changed, 3 insertions(+), 12 deletions(-)
---
diff --git a/jhbuild/moduleset.py b/jhbuild/moduleset.py
index 3aa3578d..d082c8bb 100644
--- a/jhbuild/moduleset.py
+++ b/jhbuild/moduleset.py
@@ -23,16 +23,11 @@ import os
 import sys
 import urlparse
 import logging
+import xml.dom.minidom
+import xml.parsers.expat
 
 from jhbuild.errors import UsageError, FatalError, \
              CommandError, UndefinedRepositoryError
-
-try:
-    import xml.dom.minidom
-    import xml.parsers.expat
-except ImportError:
-    raise FatalError(_('Python XML packages are required but could not be found'))
-
 from jhbuild import modtypes
 from jhbuild.versioncontrol import get_repo_type
 from jhbuild.utils import httpcache
diff --git a/jhbuild/utils/httpcache.py b/jhbuild/utils/httpcache.py
index 0a0c818b..21308eb6 100644
--- a/jhbuild/utils/httpcache.py
+++ b/jhbuild/utils/httpcache.py
@@ -36,11 +36,7 @@ import time
 from email.utils import parsedate_tz, mktime_tz
 import StringIO
 import gzip
-
-try:
-    import xml.dom.minidom
-except ImportError:
-    raise SystemExit(_('Python XML packages are required but could not be found'))
+import xml.dom.minidom
 
 def _parse_isotime(string):
     if string[-1] != 'Z':