remove dup log (#4155)

## Issue Addressed

NA

## Proposed Changes

remove duplicate log message.

## Additional Info

NA

Author: int88

beacon_node/client/src/builder.rs

@@ -347,12 +347,6 @@ where
                 while block.slot() % slots_per_epoch != 0 {
                     block_slot = (block_slot / slots_per_epoch - 1) * slots_per_epoch;
 
-                    debug!(
-                        context.log(),
-                        "Searching for aligned checkpoint block";
-                        "block_slot" => block_slot,
-                    );
-
                     debug!(
                         context.log(),
                         "Searching for aligned checkpoint block";