remove an unused thing from dependencies

Cargo.lock

@@ -180,15 +180,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
-[[package]]
-name = "casey"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fabe85130dda9cf267715582ce6cf1ab581c8dfe3cb33f7065fee0f14e3fea14"
-dependencies = [
- "syn",
-]
-
 [[package]]
 name = "cast"
 version = "0.2.7"
@@ -697,7 +688,6 @@ checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 name = "packet-macros"
 version = "0.1.0"
 dependencies = [
- "casey",
  "proc-macro2",
  "quote",
  "syn",

azalea-nbt/src/encode.rs

@@ -5,6 +5,8 @@ use flate2::write::{GzEncoder, ZlibEncoder};
 use std::collections::HashMap;
 use std::io::Write;
 
+// who needs friends when you've got code that runs in nanoseconds?
+
 #[inline]
 fn write_string(writer: &mut dyn Write, string: &str) -> Result<(), Error> {
     writer.write_i16::<BE>(string.len() as i16)?;
@@ -13,8 +15,6 @@ fn write_string(writer: &mut dyn Write, string: &str) -> Result<(), Error> {
     Ok(())
 }
 
-// who needs friends when you've got code that runs in nanoseconds?
-
 #[inline]
 fn write_compound(
     writer: &mut dyn Write,

azalea-protocol/packet-macros/Cargo.toml

@@ -8,7 +8,6 @@ proc-macro = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-casey = "^0.3.3"
 proc-macro2 = "^1.0.36"
 quote = "^1.0.10"
 syn = "^1.0.82"