[wp] Do not use tip for some tests

src/plugins/wp/tests/wp_tip/clear.i

 /* run.config
 
-   OPT: -wp-par 1 -wp-no-print -wp-prover qed,tip -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
+   OPT: -wp-par 1 -wp-no-print -wp-prover qed,script -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
 */
 /* run.config_qualif
    DONTRUN:

src/plugins/wp/tests/wp_tip/induction_typing.i

 /* run.config
 
-   OPT: -wp-par 1 -wp-prop X -wp-no-print -wp-prover qed,tip -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
+   OPT: -wp-par 1 -wp-prop X -wp-no-print -wp-prover qed,script -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
 */
 /* run.config_qualif
    DONTRUN:

src/plugins/wp/tests/wp_tip/modmask.i

 /* run.config
 
-   OPT: -wp-par 1 -wp-no-print -wp-prover qed,tip -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
+   OPT: -wp-par 1 -wp-no-print -wp-prover qed,script -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
 
-   OPT: -wp-par 1 -wp-no-print -wp-prover qed,tip -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
+   OPT: -wp-par 1 -wp-no-print -wp-prover qed,script -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
 */
 /* run.config_qualif
    DONTRUN:

src/plugins/wp/tests/wp_tip/oracle/clear.res.oracle

@@ -145,4 +145,3 @@
   ------------------------------------------------------------
 [wp] [Script] Goal typed_clear_ensures : Unsuccess
 [wp] Proved goals:    0 / 2
-[wp] No updated script.

src/plugins/wp/tests/wp_tip/oracle/induction_typing.res.oracle

@@ -117,4 +117,3 @@
   ------------------------------------------------------------
 [wp] Proved goals:    1 / 2
   Qed:             1
-[wp] No updated script.

src/plugins/wp/tests/wp_tip/oracle/modmask.0.res.oracle

@@ -60,4 +60,3 @@
 [wp] Proved goals:    2 / 2
   Qed:             0 
   Script:          2
-[wp] Updated session with 2 new valid scripts.

src/plugins/wp/tests/wp_tip/oracle/modmask.1.res.oracle

@@ -60,4 +60,3 @@
 [wp] Proved goals:    2 / 2
   Qed:             0 
   Script:          2
-[wp] Updated session with 2 new valid scripts.

src/plugins/wp/tests/wp_tip/oracle/split.res.oracle

@@ -704,4 +704,3 @@
   ------------------------------------------------------------
 [wp] [Script] Goal typed_test_goal_ex_imply_ensures : Unsuccess
 [wp] Proved goals:    0 / 23
-[wp] No updated script.

src/plugins/wp/tests/wp_tip/split.i

 /* run.config
 
-   OPT: -wp-par 1 -wp-no-print -wp-prover qed,tip -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
+   OPT: -wp-par 1 -wp-no-print -wp-prover qed,script -wp-msg-key script -wp-session @PTEST_DIR@/@PTEST_NAME@.@PTEST_NUMBER@.session
 */
 /* run.config_qualif
    DONTRUN: