[wp] Remove files restored by mistake

src/plugins/wp/tests/wp_bts/issue_143.i

src/plugins/wp/tests/wp_bts/oracle/issue_141.res.oracle

...ugins/wp/tests/wp_bts/oracle_qualif/bts_2471.2.res.oracle

...gins/wp/tests/wp_bts/oracle_qualif/issue_143.0.res.oracle

...gins/wp/tests/wp_bts/oracle_qualif/issue_143.1.res.oracle

...gins/wp/tests/wp_bts/oracle_qualif/issue_143.2.res.oracle

...gins/wp/tests/wp_bts/oracle_qualif/issue_143.3.res.oracle

...lugins/wp/tests/wp_bts/oracle_qualif/issue_453.res.oracle

...tests/wp_gallery/oracle/frama_c_hashtbl_solved.res.oracle

...gins/wp/tests/wp_gallery/oracle/loop-statement.res.oracle

...p_gallery/oracle_qualif/frama_c_hashtbl_solved.res.oracle

.../tests/wp_gallery/oracle_qualif/loop-statement.res.oracle

...tests/wp_hoare/oracle/alias_assigns_hypotheses.res.oracle