f Drop lightning-transaction-sync from no-std-check

Author: tnull

no-std-check/Cargo.toml

@@ -11,7 +11,3 @@ lightning = { path = "../lightning", default-features = false }
 lightning-invoice = { path = "../lightning-invoice", default-features = false }
 lightning-rapid-gossip-sync = { path = "../lightning-rapid-gossip-sync", default-features = false }
 lightning-background-processor = { path = "../lightning-background-processor", features = ["futures"], default-features = false }
-
-# Obviously lightning-transaction-sync doesn't support no-std, but it should build
-# even if lightning is built with no-std.
-lightning-transaction-sync = { path = "../lightning-transaction-sync", optional = true }