Remove embed_runtime feature

It's no longer practical to maintain. Closes #451

helix-core/src/syntax.rs

@@ -84,7 +84,6 @@ pub struct IndentQuery {
     pub outdent: HashSet<String>,
 }
 
-#[cfg(not(feature = "embed_runtime"))]
 fn load_runtime_file(language: &str, filename: &str) -> Result<String, std::io::Error> {
     let path = crate::RUNTIME_DIR
         .join("queries")
@@ -93,34 +92,6 @@ fn load_runtime_file(language: &str, filename: &str) -> Result<String, std::io::
     std::fs::read_to_string(&path)
 }
 
-#[cfg(feature = "embed_runtime")]
-fn load_runtime_file(language: &str, filename: &str) -> Result<String, Box<dyn std::error::Error>> {
-    use std::path::PathBuf;
-
-    #[derive(rust_embed::RustEmbed)]
-    #[folder = "../runtime/"]
-    struct Runtime;
-
-    #[derive(Debug)]
-    struct EmbeddedFileNotFoundError {
-        path: PathBuf,
-    }
-    impl std::error::Error for EmbeddedFileNotFoundError {}
-    impl fmt::Display for EmbeddedFileNotFoundError {
-        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-            write!(f, "failed to load embedded file {}", self.path.display())
-        }
-    }
-
-    let path = PathBuf::from("queries").join(language).join(filename);
-
-    if let Some(query_bytes) = Runtime::get(&path.display().to_string()) {
-        String::from_utf8(query_bytes.to_vec()).map_err(|err| err.into())
-    } else {
-        Err(Box::new(EmbeddedFileNotFoundError { path }))
-    }
-}
-
 fn read_query(language: &str, filename: &str) -> String {
     static INHERITS_REGEX: Lazy<Regex> =
         Lazy::new(|| Regex::new(r";+\s*inherits\s*:?\s*([a-z_,()]+)\s*").unwrap());