Delete empty line

Author: GoeLin

src/hotspot/share/opto/loopnode.hpp

@@ -927,7 +927,6 @@ class PhaseIdealLoop : public PhaseTransform {
   void update_main_loop_skeleton_predicates(Node* ctrl, CountedLoopNode* loop_head, Node* init, int stride_con);
   void copy_skeleton_predicates_to_post_loop(LoopNode* main_loop_head, CountedLoopNode* post_loop_head, Node* init, Node* stride);
   void insert_loop_limit_check(ProjNode* limit_check_proj, Node* cmp_limit, Node* bol);
-
   void log_loop_tree();
 
 public: