docs: Remove html formatting (cleanup)

Google APIs · copybara-github · commit b7bb7fb143ae · 2023-01-24T11:15:31.000-08:00
PiperOrigin-RevId: 504326606
diff --git a/google/devtools/cloudtrace/v2/trace.proto b/google/devtools/cloudtrace/v2/trace.proto
@@ -36,7 +36,7 @@ option ruby_package = "Google::Cloud::Trace::V2";
 // its sub-operations.
 //
 // A trace can also contain multiple root spans, or none at all.
-// Spans do not need to be contiguous&mdash;there might be
+// Spans do not need to be contiguous. There might be
 // gaps or overlaps between spans in a trace.
 message Span {
   option (google.api.resource) = {
