chore!: Drop deprecated deflate-miniz feature flag

Author: Pr0methean

Cargo.toml

@@ -18,7 +18,6 @@ Library to support the reading and writing of zip files.
 """
 edition = "2021"
 exclude = ["tests/**", "examples/**", ".github/**", "fuzz_read/**", "fuzz_write/**"]
-build = "src/build.rs"
 
 [package.metadata.docs.rs]
 all-features = true
@@ -51,7 +50,6 @@ zopfli = { version = "0.8", optional = true }
 deflate64 = { version = "0.1.9", optional = true }
 lzma-rs = { version = "0.3", default-features = false, optional = true }
 xz2 = { version = "0.1.7", optional = true }
-proc-macro2 = { version = ">=1.0.60", optional = true } # Override transitive dep on 1.0.59 due to https://github.com/rust-lang/rust/issues/113152
 
 [target.'cfg(any(all(target_arch = "arm", target_pointer_width = "32"), target_arch = "mips", target_arch = "powerpc"))'.dependencies]
 crossbeam-utils = "0.8.21"
@@ -75,8 +73,6 @@ _deflate-any = []
 _all-features = [] # Detect when --all-features is used
 deflate = ["deflate-zopfli", "deflate-flate2"]
 deflate-flate2 = ["_deflate-any", "flate2/rust_backend"]
-# DEPRECATED: previously enabled `flate2/miniz_oxide` which is equivalent to `flate2/rust_backend`
-deflate-miniz = ["deflate", "deflate-flate2"]
 deflate-zlib = ["flate2/zlib", "deflate-flate2"]
 deflate-zlib-ng = ["flate2/zlib-ng", "deflate-flate2"]
 deflate-zopfli = ["zopfli", "_deflate-any"]

README.md

@@ -50,10 +50,6 @@ The features available are:
 
 By default `aes-crypto`, `bzip2`, `deflate`, `deflate64`, `lzma`, `time` and `zstd` are enabled.
 
-The following feature flags are deprecated:
-
-* `deflate-miniz`: Use `flate2`'s default backend for compression. Currently the same as `deflate`.
-
 MSRV
 ----