Remove action_metadata_logs from BES

This never wound up being used (including never populated in bazel) and adds
some complexity we can do without.

PiperOrigin-RevId: 711752166

third_party/bazel/src/main/java/com/google/devtools/build/lib/buildeventstream/proto/build_event_stream.proto

@@ -549,6 +549,8 @@ message NamedSetOfFiles {
 // failing; however, consumers of the build-event protocol must not assume
 // that only failed actions are posted.
 message ActionExecuted {
+  reserved 10;
+
   bool success = 1;
 
   // The mnemonic of the action that was executed
@@ -577,9 +579,6 @@ message ActionExecuted {
   // The command-line of the action, if the action is a command.
   repeated string command_line = 9;
 
-  // List of paths to log files
-  repeated File action_metadata_logs = 10;
-
   // Only populated if success = false, and sometimes not even then.
   failure_details.FailureDetail failure_detail = 11;