Remove old features that are no longer used or were renamed

Author: smoelius

Cargo.toml

@@ -64,13 +64,6 @@ tame-index = ["dep:tame-index", "reqwest/blocking"]
 __mock_github = []
 __real_github = []
 
-# smoelius: Old features that were renamed.
-cache-repositories = ["on-disk-cache"]
-lock-index = ["crates-index"]
-
-# smoelius: Old feature that is no longer used.
-ei = []
-
 [lints]
 workspace = true
 

build.rs

@@ -10,9 +10,6 @@ const TOKEN_PATH: &str = if cfg!(not(windows)) {
 fn main() {
     println!("cargo:rustc-cfg=__warnings");
 
-    #[cfg(all(feature = "cache-repositories", not(feature = "on-disk-cache")))]
-    println!("cargo:warning=Feature `cache-repositories` has been renamed to `on-disk-cache`");
-
     #[cfg(all(feature = "crates-index", feature = "tame-index"))]
     println!(
         "cargo:warning=Both `crates-index` and `tame-index` features are enabled; using \