Mark rpl.rpl_innodb_bug28430 experimental unconditionally.

mysql-test/collections/default.experimental

@@ -18,7 +18,7 @@ main.plugin                              # Bug#47146 Linking problem with exampl
 main.plugin_load                         # Bug#47146
 
 rpl.rpl_get_master_version_and_clock*    # Bug#46931 2009-08-26 alik rpl.rpl_get_master_version_and_clock fails on hpux11.31
-rpl.rpl_innodb_bug28430* @solaris        # Bug#46029
+rpl.rpl_innodb_bug28430*                 # Bug#46029
 rpl.rpl_innodb_bug30888* @solaris        # Bug#47646 2009-09-25 alik rpl.rpl_innodb_bug30888 fails sporadically on Solaris
 rpl.rpl_plugin_load*  @solaris           # Bug#47146
 rpl.rpl_row_create_table*                # Bug#45576: rpl_row_create_table fails on PB2