oops, also fix peer version

Author: jcnelson

stackslib/src/core/mod.rs

@@ -61,7 +61,7 @@ pub const PEER_VERSION_EPOCH_3_0: u8 = 0x0b;
 
 // this should be updated to the latest network epoch version supported by
 //  this node. this will be checked by the `validate_epochs()` method.
-pub const PEER_NETWORK_EPOCH: u32 = PEER_VERSION_EPOCH_3_0 as u32;
+pub const PEER_NETWORK_EPOCH: u32 = PEER_VERSION_EPOCH_2_5 as u32;
 
 // set the fourth byte of the peer version
 pub const PEER_VERSION_MAINNET: u32 = PEER_VERSION_MAINNET_MAJOR | PEER_NETWORK_EPOCH;