No longer ignore exit status of zanata-cli push

Now that the self-signed certificate for the Zanata server is stored
in the default Java keystore, zanata-cli push for the translation
upstream update jobs is working nicely, so we can stop using if to
guard the non-zero exit status from the script.

Change-Id: I75d892c9fe207b19ef263bb09b9beaf25848fbaf

jenkins/scripts/upstream_translation_django_openstack_auth.sh

@@ -39,8 +39,6 @@ if ! git diff-index --quiet HEAD --; then
 
     # And zanata, if we have an XML file.
     if [ -f zanata.xml ]; then
-        if ! zanata-cli -B -e push; then
-            echo "Pushing to Zanata failed"
-        fi
+        zanata-cli -B -e push
     fi
 fi

jenkins/scripts/upstream_translation_horizon.sh

@@ -43,8 +43,6 @@ if [ $(git diff --cached | egrep -v "(POT-Creation-Date|^[\+\-]#|^\+{3}|^\-{3})"
 
     # And zanata, if we have a zanata.xml
     if [ -f zanata.xml ]; then
-        if ! zanata-cli -B -e push; then
-            echo "Pushing to Zanata failed"
-        fi
+        zanata-cli -B -e push
     fi
 fi

jenkins/scripts/upstream_translation_update.sh

@@ -50,8 +50,6 @@ if ! git diff-index --quiet HEAD --; then
     # The Zanata client works out what to send based on the XML file, push if
     # we have one.
     if [ -f zanata.xml ]; then
-        if ! zanata-cli -B -e push; then
-            echo "Pushing to Zanata failed"
-        fi
+        zanata-cli -B -e push
     fi
 fi

jenkins/scripts/upstream_translation_update_manuals.sh

@@ -37,8 +37,6 @@ if ! git diff --cached --quiet HEAD --; then
 
     # And zanata, if we have an XML file.
     if [ -f zanata.xml ]; then
-        if ! zanata-cli -B -e push; then
-            echo "Pushing to Zanata failed"
-        fi
+        zanata-cli -B -e push
     fi
 fi