simplewallet: remove redundant messages on daemon connection failure

try_connect_to_daemon with silent=false already prints failure message

src/simplewallet/simplewallet.cpp

@@ -780,10 +780,7 @@ bool simple_wallet::payment_id(const std::vector<std::string> &args/* = std::vec
 bool simple_wallet::print_fee_info(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
 {
   if (!try_connect_to_daemon())
-  {
-    fail_msg_writer() << tr("Cannot connect to daemon");
     return true;
-  }
   const bool per_byte = m_wallet->use_fork_rules(HF_VERSION_PER_BYTE_FEE);
   const uint64_t base_fee = m_wallet->get_base_fee();
   const char *base = per_byte ? "byte" : "kB";
@@ -4608,10 +4605,7 @@ bool simple_wallet::print_ring_members(const std::vector<tools::wallet2::pending
 {
   uint32_t version;
   if (!try_connect_to_daemon(false, &version))
-  {
-    fail_msg_writer() << tr("failed to connect to the daemon");
     return false;
-  }
   // available for RPC version 1.4 or higher
   if (version < MAKE_CORE_RPC_VERSION(1, 4))
     return true;
@@ -6451,10 +6445,7 @@ bool simple_wallet::get_spend_proof(const std::vector<std::string> &args)
   }
 
   if (!try_connect_to_daemon())
-  {
-    fail_msg_writer() << tr("failed to connect to the daemon");
     return true;
-  }
 
   SCOPED_WALLET_UNLOCK();
 
@@ -6489,10 +6480,7 @@ bool simple_wallet::check_spend_proof(const std::vector<std::string> &args)
   }
 
   if (!try_connect_to_daemon())
-  {
-    fail_msg_writer() << tr("failed to connect to the daemon");
     return true;
-  }
 
   std::string sig_str;
   if (!epee::file_io_utils::load_file_to_string(args[1], sig_str))
@@ -6546,10 +6534,7 @@ bool simple_wallet::get_reserve_proof(const std::vector<std::string> &args)
   }
 
   if (!try_connect_to_daemon())
-  {
-    fail_msg_writer() << tr("failed to connect to the daemon");
     return true;
-  }
 
   SCOPED_WALLET_UNLOCK();
 
@@ -6577,10 +6562,7 @@ bool simple_wallet::check_reserve_proof(const std::vector<std::string> &args)
   }
 
   if (!try_connect_to_daemon())
-  {
-    fail_msg_writer() << tr("failed to connect to the daemon");
     return true;
-  }
 
   cryptonote::address_parse_info info;
   if(!cryptonote::get_account_address_from_str_or_url(info, m_wallet->nettype(), args[0], oa_prompter))