chore: remove the nv27-dev feature flag (#2202)

* chore: remove the nv27-dev feature flag

chore: remove the nv27-dev feature flag

* chore: update changelog

chore: update changelog

* Update fvm/CHANGELOG.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: rjan90

fvm/CHANGELOG.md

@@ -4,6 +4,8 @@ Changes to the reference FVM implementation.
 
 ## [Unreleased]
 
+- chore: remove the nv27-dev feature flag [#2202](https://github.com/filecoin-project/ref-fvm/pull/2202)
+
 ## 4.7.2 [2025-05-01]
 
 - feat: add nv27-skeleton [#2175](https://github.com/filecoin-project/ref-fvm/pull/2175)

fvm/Cargo.toml

@@ -60,7 +60,6 @@ gas_calibration = []
 # The current implementation keeps it by default for backward compatibility reason.
 # See <https://github.com/filecoin-project/ref-fvm/issues/2001>
 verify-signature = []
-nv27-dev = []
 
 # Allow coverage attribute.
 [lints.rust]

fvm/src/gas/price_list.rs

@@ -1085,9 +1085,7 @@ pub fn price_list_by_network_version(network_version: NetworkVersion) -> &'stati
         NetworkVersion::V21 | NetworkVersion::V22 | NetworkVersion::V23 | NetworkVersion::V24 => {
             &WATERMELON_PRICES
         }
-        NetworkVersion::V25 | NetworkVersion::V26 => &TEEP_PRICES,
-        #[cfg(feature = "nv27-dev")]
-        NetworkVersion::V27 => &TEEP_PRICES,
+        NetworkVersion::V25 | NetworkVersion::V26 | NetworkVersion::V27 => &TEEP_PRICES,
         _ => panic!("network version {nv} not supported", nv = network_version),
     }
 }

fvm/src/machine/default.rs

@@ -51,11 +51,6 @@ where
     /// * `blockstore`: The underlying [blockstore][`Blockstore`] for reading/writing state.
     /// * `externs`: Client-provided ["external"][`Externs`] methods for accessing chain state.
     pub fn new(context: &MachineContext, blockstore: B, externs: E) -> anyhow::Result<Self> {
-        #[cfg(not(feature = "nv27-dev"))]
-        const SUPPORTED_VERSIONS: RangeInclusive<NetworkVersion> =
-            NetworkVersion::V21..=NetworkVersion::V26;
-
-        #[cfg(feature = "nv27-dev")]
         const SUPPORTED_VERSIONS: RangeInclusive<NetworkVersion> =
             NetworkVersion::V21..=NetworkVersion::V27;