Revert 241620 "Suppress uninitialized read in net::NetworkChange..."

Uninitialized read was fixed in r241862 and merged in r243089.

> Suppress uninitialized read in net::NetworkChangeNotifierWin::NetworkChangeNotifierWin due to incorrect initialization order
> 
> BUG=329590
> TBR=pauljensen@chromium.org
> 
> Review URL: https://codereview.chromium.org/118503002

TBR=bruening@google.com

Review URL: https://codereview.chromium.org/121603003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243092 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/drmemory/suppressions_full.txt

@@ -1360,10 +1360,6 @@ net.dll!net::ProxyScriptDecider::*
 net.dll!net::ProxyScriptDecider::DoLoop
 net.dll!net::ProxyScriptDecider::*
 
-UNINITIALIZED READ
-name=bug_329590
-net.dll!net::NetworkChangeNotifierWin::NetworkChangeNotifierWin
-
 UNINITIALIZED READ
 name=bug_330105
 *!testing::internal::CmpHelperEQ<int,int>