Call pruneFromCache() during initialise as well

Better to prune the large amount during startup rather than delay until saveTrieLog
Signed-off-by: Simon Dudley <[email protected]>

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/bonsai/trielog/TrieLogPruner.java

@@ -88,6 +88,7 @@ private void preloadCache() {
           }
         });
     LOG.atInfo().log("Loaded {} trie logs from database", count);
+    pruneFromCache();
   }
 
   void cacheForLaterPruning(final long blockNumber, final byte[] trieLogKey) {