protocols/gossipsub: Remove regex-filter feature flag (#2056)

Remove `regex-filter` feature flag thus always enabling
`regex::RegexSubscriptionFilter`.

CHANGELOG.md

@@ -50,6 +50,7 @@
 
 - Update individual crates.
     - `libp2p-swarm-derive`
+    - `libp2p-gossipsub`
 
 ## Version 0.37.0 [2021-04-13]
 

Cargo.toml

@@ -66,7 +66,7 @@ futures = "0.3.1"
 lazy_static = "1.2"
 libp2p-core = { version = "0.28.3", path = "core",  default-features = false }
 libp2p-floodsub = { version = "0.29.0", path = "protocols/floodsub", optional = true }
-libp2p-gossipsub = { version = "0.30.0", path = "./protocols/gossipsub", optional = true }
+libp2p-gossipsub = { version = "0.30.1", path = "./protocols/gossipsub", optional = true }
 libp2p-identify = { version = "0.29.0", path = "protocols/identify", optional = true }
 libp2p-kad = { version = "0.30.0", path = "protocols/kad", optional = true }
 libp2p-mplex = { version = "0.28.0", path = "muxers/mplex", optional = true }

protocols/gossipsub/CHANGELOG.md

@@ -1,3 +1,8 @@
+# 0.30.1 [2021-04-27]
+
+- Remove `regex-filter` feature flag thus always enabling `regex::RegexSubscriptionFilter` [PR
+  2056](https://github.com/libp2p/rust-libp2p/pull/2056).
+
 # 0.30.0 [2021-04-13]
 
 - Update `libp2p-swarm`.

protocols/gossipsub/Cargo.toml

@@ -2,7 +2,7 @@
 name = "libp2p-gossipsub"
 edition = "2018"
 description = "Gossipsub protocol for libp2p"
-version = "0.30.0"
+version = "0.30.1"
 authors = ["Age Manning <Age@AgeManning.com>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

protocols/gossipsub/src/subscription_filter.rs

@@ -200,7 +200,6 @@ where
     }
 }
 
-#[cfg(feature = "regex-filter")]
 pub mod regex {
     use super::TopicSubscriptionFilter;
     use crate::TopicHash;