Remove criterion benches as they're not needed now

Author: aldanor

Cargo.toml

@@ -19,22 +19,12 @@ std = []
 
 [dev-dependencies]
 lexical-core = "0.7"
-criterion = "0.3"
 
 [dev-dependencies.hexf-parse]
 version = "*"
 git = "https://github.com/lifthrasiir/hexf.git" # until the version on crates.io is updated
 rev = "0c95001574997847e1348c4f6dac5f434c772914"
 
-[[bench]]
-name = "bench"
-harness = false
-
-[lib]
-name = "fast_float"
-path = "src/lib.rs"
-bench = false
-
 [workspace]
 members = [".", "extras/data-tests", "extras/simple-bench"]