Simplified locales workaround for tests

debian/control

@@ -5,7 +5,6 @@ Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
                dh-python (>= 2.20160609~),
-               locales,
                python-all,
                python-click,
                python-pytest,

debian/rules

@@ -10,8 +10,4 @@ override_dh_installdocs:
 	dh_installdocs -A README.rst
 
 override_dh_auto_test:
-	mkdir -p debian/tmp/locale/
-	localedef -f UTF-8 -i en_US ./debian/tmp/locale/en_US.UTF-8/
-	export LOCPATH=$(CURDIR)/debian/tmp/locale/ && \
-	export LC_ALL=en_US.UTF-8 && \
-	dh_auto_test
+	LC_ALL=C.UTF-8 dh_auto_test