doc: simplify wording in tracing APIs doc

PR-URL: #35556
Reviewed-By: Harshitha K P <harshitha014@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

doc/api/tracing.md

@@ -80,9 +80,9 @@ string that supports `${rotation}` and `${pid}`:
 node --trace-event-categories v8 --trace-event-file-pattern '${pid}-${rotation}.log' server.js
 ```
 
-Starting with Node.js 10.0.0, the tracing system uses the same time source
-as the one used by `process.hrtime()`
-however the trace-event timestamps are expressed in microseconds,
+The tracing system uses the same time source
+as the one used by `process.hrtime()`.
+However the trace-event timestamps are expressed in microseconds,
 unlike `process.hrtime()` which returns nanoseconds.
 
 The features from this module are not available in [`Worker`][] threads.