ldpc update

Cargo.toml

@@ -14,6 +14,6 @@ bitvec = { version = "1.0.1", default-features = false }
 crc = "3.0.1"
 encoding_rs = { version = "0.8.33", default-features = false }
 half = { version = "2.3.1", default-features = false }
-labrador-ldpc = { git = "https://github.com/adamgreig/labrador-ldpc", rev = "a6b1b1feb65ec3eae5bb1797f2e4798d4fcee92e" }
+labrador-ldpc = "1.2.1"
 paste = "1.0.14"
 snafu = { version = "0.7.5", default-features = false }