[DO NOT MERGE] make html5validator fail.

Author: php-coder

src/main/scripts/ci/check-build-and-verify.sh

@@ -57,7 +57,6 @@ if [ "$RUN_ONLY_INTEGRATION_TESTS" = 'no' ]; then
 		--ignore-re 'Attribute “(th|sec|togglz|xmlns):[a-z]+” not allowed' \
 			'Attribute “(th|sec|togglz):[a-z]+” is not serializable' \
 			'Attribute with the local name “xmlns:[a-z]+” is not serializable' \
-			'An "img" element must have an "alt" attribute' \
 			'The first child "option" element of a "select" element with a "required" attribute' \
 			'This document appears to be written in (Danish|Lithuanian)' \
 		--show-warnings \