Remove unused suppression

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
diff --git a/tools/heapcheck/suppressions.txt b/tools/heapcheck/suppressions.txt
index 3b948d83a02314925cc8e8e7f20679fd40d4cc21..0cc479935179fb96be2512ee4f7e2bfe1caa2df0 100644
--- a/tools/heapcheck/suppressions.txt
+++ b/tools/heapcheck/suppressions.txt
@@ -410,22 +410,6 @@
    fun:net::URLRequest::Start
    fun:URLRequestTest_CancelTest_DuringCookiePolicy_Test::TestBody
 }
-{
-   bug_34994_a
-   Heapcheck:Leak
-   ...
-   fun:v8::internal::Invoke
-   fun:v8::internal::Execution::Call
-   fun:v8::Script::Run
-}
-{
-   bug_34994_b
-   Heapcheck:Leak
-   ...
-   fun:v8::internal::Invoke
-   fun:v8::internal::Execution::Call
-   fun:v8::Function::Call
-}
 # TODO(glider): sometimes the stacks differ between the bot and the local run,
 # e.g. "base::subtle::RefCountedBase::RefCountedBase" vs. "RefCountedBase".
 {