fix: shorten verbose comment in useBluetoothHRM

Shortened a verbose comment explaining the connectionLock logic to
comply with coding standards ("NO VERBOSE COMMENTS").

Co-authored-by: arii <342438+arii@users.noreply.github.com>

Author: google-labs-jules[bot]

hooks/useBluetoothHRM.ts

@@ -220,7 +220,7 @@ const useBluetoothHRM = (props: UseBluetoothHRMProps = {}) => {
           const timeSinceLastData = Date.now() - lastDataTime.current
 
           if (timeSinceLastData > dataLivenessTimeoutMs) {
-            // Fix Race Condition: Don't force a disconnect/reconnect if we are already in a connection state transition
+            // Don't force a disconnect/reconnect during connection state transition
             if (connectionLock.current) {
               logger.warn(
                 { timeSinceLastData },