Revert "[chrome] Emit metadata for trigger name hash"

This reverts commit aa66d709e70488a557f5b2817e7e933f81c4e616.

Reason for revert: Breaks the CI (https://ci.perfetto.dev/#!/logs/20240426163039--cls-3062583-5--linux-gcc7-x86_64-release)

Change-Id: I5fac5286acfb6f40e3aeef4816e3b422ade95a70
diff --git a/src/trace_processor/importers/proto/metadata_minimal_module.cc b/src/trace_processor/importers/proto/metadata_minimal_module.cc
index 6911275..df4dd3f 100644
--- a/src/trace_processor/importers/proto/metadata_minimal_module.cc
+++ b/src/trace_processor/importers/proto/metadata_minimal_module.cc
@@ -189,6 +189,11 @@
       return;
     protos::pbzero::BackgroundTracingMetadata::TriggerRule::Decoder
         triggered_rule_decoder(triggered_rule.data, triggered_rule.size);
+    if (!triggered_rule_decoder.has_name_hash())
+      return;
+    metadata->SetDynamicMetadata(
+        storage->InternString("cr-triggered_rule_name_hash"),
+        Variadic::Integer(triggered_rule_decoder.name_hash()));
   }
 }
 
diff --git a/src/trace_processor/importers/proto/metadata_module.cc b/src/trace_processor/importers/proto/metadata_module.cc
index 8e09bba..4daccbf 100644
--- a/src/trace_processor/importers/proto/metadata_module.cc
+++ b/src/trace_processor/importers/proto/metadata_module.cc
@@ -134,11 +134,6 @@
   }
   context_->slice_tracker->Scoped(ts, track_id, cat_id, name_id,
                                   /* duration = */ 0);
-
-  MetadataTracker* metadata = context_->metadata_tracker.get();
-  metadata->SetDynamicMetadata(
-      context_->storage->InternString("cr-triggered_rule_name_hash"),
-      Variadic::Integer(trigger.trigger_name_hash()));
 }
 
 void MetadataModule::ParseTraceUuid(ConstBytes blob) {
diff --git a/test/trace_processor/diff_tests/parser/parsing/tests.py b/test/trace_processor/diff_tests/parser/parsing/tests.py
index 91d2f6e..505bdf9 100644
--- a/test/trace_processor/diff_tests/parser/parsing/tests.py
+++ b/test/trace_processor/diff_tests/parser/parsing/tests.py
@@ -632,13 +632,6 @@
           timestamp: 101000002
         }
         packet {
-          chrome_trigger {
-            trigger_name_hash: 1595654158
-          }
-          trusted_packet_sequence_id: 1
-          timestamp: 101000002
-        }
-        packet {
           trusted_packet_sequence_id: 1
           timestamp: 101000002
           chrome_metadata {