qa: unify unix epoch time descriptions

to "UNIX epoch time".

Call sites updated:
```
mocktime
getblockheader
getblock
pruneblockchain
getchaintxstats
getblocktemplate
setmocktime
getpeerinfo
setban
getnodeaddresses
getrawtransaction
importmulti
listtransactions
listsinceblock
gettransaction
getwalletinfo
getaddressinfo
```

1 files changed, 5 insertions, 5 deletions

diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index f1dcc9b607..6ee91f139d 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -89,11 +89,11 @@ static UniValue getpeerinfo(const JSONRPCRequest& request)
             "         ...\n"
             "     ],\n"
             "    \"relaytxes\":true|false,    (boolean) Whether peer has asked us to relay transactions to it\n"
-            "    \"lastsend\": ttt,           (numeric) The time in seconds since epoch (Jan 1 1970 GMT) of the last send\n"
-            "    \"lastrecv\": ttt,           (numeric) The time in seconds since epoch (Jan 1 1970 GMT) of the last receive\n"
+            "    \"lastsend\": ttt,           (numeric) The " + UNIX_EPOCH_TIME + " of the last send\n"
+            "    \"lastrecv\": ttt,           (numeric) The " + UNIX_EPOCH_TIME + " of the last receive\n"
             "    \"bytessent\": n,            (numeric) The total bytes sent\n"
             "    \"bytesrecv\": n,            (numeric) The total bytes received\n"
-            "    \"conntime\": ttt,           (numeric) The connection time in seconds since epoch (Jan 1 1970 GMT)\n"
+            "    \"conntime\": ttt,           (numeric) The " + UNIX_EPOCH_TIME + " of the connection\n"
             "    \"timeoffset\": ttt,         (numeric) The time offset in seconds\n"
             "    \"pingtime\": n,             (numeric) ping time (if available)\n"
             "    \"minping\": n,              (numeric) minimum observed ping time (if any at all)\n"
@@ -534,7 +534,7 @@ static UniValue setban(const JSONRPCRequest& request)
                     {"subnet", RPCArg::Type::STR, RPCArg::Optional::NO, "The IP/Subnet (see getpeerinfo for nodes IP) with an optional netmask (default is /32 = single IP)"},
                     {"command", RPCArg::Type::STR, RPCArg::Optional::NO, "'add' to add an IP/Subnet to the list, 'remove' to remove an IP/Subnet from the list"},
                     {"bantime", RPCArg::Type::NUM, /* default */ "0", "time in seconds how long (or until when if [absolute] is set) the IP is banned (0 or empty means using the default time of 24h which can also be overwritten by the -bantime startup argument)"},
-                    {"absolute", RPCArg::Type::BOOL, /* default */ "false", "If set, the bantime must be an absolute timestamp in seconds since epoch (Jan 1 1970 GMT)"},
+                    {"absolute", RPCArg::Type::BOOL, /* default */ "false", "If set, the bantime must be an absolute timestamp expressed in " + UNIX_EPOCH_TIME},
                 },
                 RPCResults{},
                 RPCExamples{
@@ -691,7 +691,7 @@ static UniValue getnodeaddresses(const JSONRPCRequest& request)
                 RPCResult{
             "[\n"
             "  {\n"
-            "    \"time\": ttt,                (numeric) Timestamp in seconds since epoch (Jan 1 1970 GMT) keeping track of when the node was last seen\n"
+            "    \"time\": ttt,                (numeric) The " + UNIX_EPOCH_TIME + " of when the node was last seen\n"
             "    \"services\": n,              (numeric) The services offered\n"
             "    \"address\": \"host\",          (string) The address of the node\n"
             "    \"port\": n                   (numeric) The port of the node\n"