tests: removed duplicate entries in valgrind.supress.

Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>

Author: spacewander

valgrind.suppress

@@ -22,16 +22,6 @@
    fun:ngx_epoll_process_events
    fun:ngx_process_events_and_timers
 }
-{
-   <insert_a_suppression_name_here>
-   Memcheck:Cond
-   fun:ngx_vslprintf
-   fun:ngx_snprintf
-   fun:ngx_sock_ntop
-   fun:ngx_event_accept
-   fun:ngx_epoll_process_events
-   fun:ngx_process_events_and_timers
-}
 {
    <insert_a_suppression_name_here>
    Memcheck:Addr1
@@ -181,15 +171,6 @@
    fun:ngx_create_pool
    fun:main
 }
-{
-   <insert_a_suppression_name_here>
-   Memcheck:Leak
-   match-leak-kinds: definite
-   fun:malloc
-   fun:ngx_alloc
-   fun:ngx_set_environment
-   fun:ngx_single_process_cycle
-}
 {
    <insert_a_suppression_name_here>
    Memcheck:Param