p2p: remove torv2 in SetIP() and ADDR_TORV2_SIZE constant

src/netaddress.cpp

@@ -115,7 +115,7 @@ void CNetAddr::SetIP(const CNetAddr& ipIn)
         assert(ipIn.m_addr.size() == ADDR_IPV6_SIZE);
         break;
     case NET_ONION:
-        assert(ipIn.m_addr.size() == ADDR_TORV2_SIZE || ipIn.m_addr.size() == ADDR_TORV3_SIZE);
+        assert(ipIn.m_addr.size() == ADDR_TORV3_SIZE);
         break;
     case NET_I2P:
         assert(ipIn.m_addr.size() == ADDR_I2P_SIZE);

src/netaddress.h

@@ -97,9 +97,6 @@ static constexpr size_t ADDR_IPV4_SIZE = 4;
 /// Size of IPv6 address (in bytes).
 static constexpr size_t ADDR_IPV6_SIZE = 16;
 
-/// Size of TORv2 address (in bytes).
-static constexpr size_t ADDR_TORV2_SIZE = 10;
-
 /// Size of TORv3 address (in bytes). This is the length of just the address
 /// as used in BIP155, without the checksum and the version byte.
 static constexpr size_t ADDR_TORV3_SIZE = 32;