[BlockPlacement] Remove an unnecessary continue

NFC.

llvm-svn: 265643
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index aeb59d1..69c0a53 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -809,7 +809,6 @@
       // Restore the old exiting state, no viable looping successor was found.
       ExitingBB = OldExitingBB;
       BestExitEdgeFreq = OldBestExitEdgeFreq;
-      continue;
     }
   }
   // Without a candidate exiting block or with only a single block in the