message: style-only: Remove redundant sentence in ActivateBestChain comment
diff: @@ -624,11 +624,10 @@ public:
  void PruneAndFlush();
  /**
  - * Find the best known block, and make it the tip of the block chain
  - *
  - * Make the best chain active, in multiple steps. The result is either failure
  - * or an activated best chain. pblock is either nullptr or a pointer to a block
  - * that is already loaded (to avoid loading it again from disk).
  + * Find the best known block, and make it the tip of the block chain. The
  + * result is either failure or an activated best chain. pblock is either
  + * nullptr or a pointer to a block that is already loaded (to avoid loading
  + * it again from disk).
  *
  * ActivateBestChain is split into steps (see ActivateBestChainStep) so that
  * we avoid holding cs_main for an extended period of time; the length of this
  