chore(ls): remove dead code

harper-ls/src/backend.rs

@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::fs::{File, OpenOptions};
+use std::fs::OpenOptions;
 use std::io::{BufWriter, Write};
 use std::path::{Component, PathBuf};
 use std::sync::Arc;

harper-ls/src/diagnostics.rs

@@ -1,5 +1,4 @@
 use std::collections::HashMap;
-use std::str::FromStr;
 
 use harper_core::linting::{Lint, Suggestion};
 use harper_core::CharStringExt;

harper-ls/src/stats/mod.rs

@@ -1,10 +1,8 @@
 mod lint_record;
-mod lint_summary;
 
 use std::io::Write;
 
 pub use lint_record::LintRecord;
-pub use lint_summary::LintSummary;
 use tokio::io;
 
 pub struct Stats {
@@ -19,17 +17,6 @@ impl Stats {
         }
     }
 
-    /// Count the number of each kind of lint applied.
-    pub fn summarize_lints_applied(&self) -> LintSummary {
-        let mut summary = LintSummary::new();
-
-        for lint in &self.lints_applied {
-            summary.inc(lint.kind);
-        }
-
-        summary
-    }
-
     pub fn lint_applied(&mut self, record: LintRecord) {
         self.lints_applied.push(record);
     }