Bug 1652560 - Remove unused function. r=canaltinova

Differential Revision: https://phabricator.services.mozilla.com/D121454

Cargo.lock

@@ -1750,7 +1750,6 @@ dependencies = [
  "bindgen",
  "lazy_static",
  "profiler-macros",
- "toml",
 ]
 
 [[package]]

tools/profiler/rust-api/Cargo.toml

@@ -10,7 +10,6 @@ profiler-macros = { path = "./macros" }
 [build-dependencies]
 lazy_static = "1"
 bindgen = {version = "0.56", default-features = false}
-toml = {version = "0.4.5", default-features = false}
 
 [features]
 # This feature is being set by Gecko. If it's not set, all public functions and

tools/profiler/rust-api/build.rs

@@ -15,7 +15,6 @@ use std::env;
 use std::fs::{self, File};
 use std::io::Read;
 use std::path::{Path, PathBuf};
-use toml::{self, value::Table};
 
 lazy_static! {
     static ref OUTDIR_PATH: PathBuf = PathBuf::from(env::var_os("OUT_DIR").unwrap()).join("gecko");
@@ -23,20 +22,6 @@ lazy_static! {
 
 const BINDINGS_FILE: &str = "bindings.rs";
 
-fn read_config(path: &Path) -> Table {
-    println!("cargo:rerun-if-changed={}", path.display());
-
-    let mut contents = String::new();
-    File::open(path)
-        .expect("Failed to open config file")
-        .read_to_string(&mut contents)
-        .expect("Failed to read config file");
-    match toml::from_str::<Table>(&contents) {
-        Ok(result) => result,
-        Err(e) => panic!("Failed to parse config file: {}", e),
-    }
-}
-
 lazy_static! {
     static ref BINDGEN_FLAGS: Vec<String> = {
         // Load build-specific config overrides.