Remove suppression for AutocompleteInputTest.

BUG=390108
TBR=eugenis@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/367163004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@281899 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -6231,10 +6231,3 @@
    fun:_Znw*
    fun:_ZN20data_reduction_proxy69DataReductionProxyUsageStatsTest_isDataReductionProxyUnreachable_Test8TestBodyEv
 }
-{
-   bug_390108
-   Memcheck:Leak
-   fun:_Zna*
-   fun:_ZN3url17AddStandardSchemeEPKc
-   fun:_ZN36AutocompleteInputTest_InputType_Test8TestBodyEv
-}