Bug 1601632 - Remove supression for seemingly fixed issue. r=decoder

Differential Revision: https://phabricator.services.mozilla.com/D95129

mozglue/build/TsanOptions.cpp

@@ -232,10 +232,6 @@ extern "C" const char* __tsan_default_suppressions() {
          "race:Clamp_S32_D32_nofilter_trans_shaderproc\n"
          "race:SkSpriteBlitter_Memcpy\n"
 
-         // Bug 1601632
-         "race:ScriptPreloader::MaybeFinishOffThreadDecode\n"
-         "race:ScriptPreloader::DoFinishOffThreadDecode\n"
-
          // Bug 1606651
          "race:nsPluginTag::nsPluginTag\n"
          "race:nsFakePluginTag\n"