Revert "Actually use mapAlreadyAskedFor."

This reverts commit 643160f6e7e5e8ca84bc7d2c1a0f37d9cf43a6e1.

Turns out this commit was useless after a more careful reading of
CNode::AskFor

1 files changed, 0 insertions, 1 deletions

diff --git a/src/main.cpp b/src/main.cpp
index b29091b4fe..ee25752981 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3994,7 +3994,6 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
                     pto->PushMessage("getdata", vGetData);
                     vGetData.clear();
                 }
-                mapAlreadyAskedFor[inv] = nNow;
             }
             pto->mapAskFor.erase(pto->mapAskFor.begin());
         }