Removing NSS files and USE_OPENSSL flag

ios/web/app/web_main_loop.mm

Index: ios/web/app/web_main_loop.mm
diff --git a/ios/web/app/web_main_loop.mm b/ios/web/app/web_main_loop.mm
index 017ffa40cec97e04fd404dbf42891af4ed5aa0b2..f02ca85fcfd1adbb6412f434655e9ba3dd983b4f 100644
--- a/ios/web/app/web_main_loop.mm
+++ b/ios/web/app/web_main_loop.mm
@@ -19,7 +19,6 @@
 #include "base/process/process_metrics.h"
 #include "base/system_monitor/system_monitor.h"
 #include "base/threading/thread_restrictions.h"
-#include "crypto/nss_util.h"
 #include "ios/web/net/cookie_notification_bridge.h"
 #include "ios/web/public/app/web_main_parts.h"
 #include "ios/web/public/web_client.h"
@@ -52,14 +51,6 @@ void WebMainLoop::Init() {
 void WebMainLoop::EarlyInitialization() {
   if (parts_) {
     parts_->PreEarlyInitialization();
-  }
-
-#if defined(USE_NSS_VERIFIER)
-  // We want to be sure to init NSPR on the main thread.
-  crypto::EnsureNSPRInit();
-#endif
-
-  if (parts_) {
     parts_->PostEarlyInitialization();
   }
 }