[WP] automatically filter properties with name ‘no_wp:’

src/plugins/wp/Changelog

src/plugins/wp/doc/manual/wp_plugin.tex

src/plugins/wp/tests/wp_plugin/nowp.c

src/plugins/wp/tests/wp_plugin/nowp.c.0.report.json

src/plugins/wp/tests/wp_plugin/oracle/nowp.res.oracle

src/plugins/wp/tests/wp_plugin/oracle_qualif/nowp.res.oracle

src/plugins/wp/wpAnnot.ml

src/plugins/wp/wpPropId.ml

src/plugins/wp/wpPropId.mli