CTxMemPool: consolidate two frequently-printed debug.log lines into one

Previously, a single TX would trigger two log lines in quick succession,

        addUnchecked(): size 152
        CTxMemPool::accept() : accepted c4cfdd48b7

After this change, only one log line is used:

        CTxMemPool::accept() : accepted 98885e65db (poolsz 26)

src/main.cpp

@@ -594,7 +594,9 @@ bool CTxMemPool::accept(CTxDB& txdb, CTransaction &tx, bool fCheckInputs,
     if (ptxOld)
         EraseFromWallets(ptxOld->GetHash());
 
-    printf("CTxMemPool::accept() : accepted %s\n", hash.ToString().substr(0,10).c_str());
+    printf("CTxMemPool::accept() : accepted %s (poolsz %u)\n",
+           hash.ToString().substr(0,10).c_str(),
+           mapTx.size());
     return true;
 }
 
@@ -605,7 +607,6 @@ bool CTransaction::AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs, bool* pfMi
 
 bool CTxMemPool::addUnchecked(CTransaction &tx)
 {
-    printf("addUnchecked(): size %lu\n",  mapTx.size());
     // Add to memory pool without checking anything.  Don't call this directly,
     // call CTxMemPool::accept to properly check the transaction first.
     {