Drop unneeded Cargo settings

Cargo.lock

@@ -247,7 +247,6 @@ dependencies = [
  "memmap2",
  "rayon",
  "rustc-demangle",
- "rustc-hash",
  "xxhash-rust",
  "zstd",
 ]
@@ -490,12 +489,6 @@ version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b74b56ffa8bb2830709a538c2cbcae9aa062db0d2a42563bfb09bdaae44020eb"
 
-[[package]]
-name = "rustc-hash"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b1e7f9a428571be2dc5bc0505c13fb6bf936822b894ec87abf8a08a4e51742d"
-
 [[package]]
 name = "serde_core"
 version = "1.0.229"

Cargo.toml

@@ -38,7 +38,6 @@ memchr = "2.8.3"
 memmap2 = "0.9"
 rayon = "1"
 rustc-demangle = "0.1"
-rustc-hash = "2"
 xxhash-rust = { version = "0.8", features = ["xxh3"] }
 zstd = "0.13"
 
@@ -46,9 +45,4 @@ zstd = "0.13"
 cc = "1"
 
 [profile.release]
-debug = 1
-codegen-units = 16
 panic = "abort"
-
-[profile.dev]
-opt-level = 1