fix(linter): revert unmatched rule error

apps/oxlint/src/lint.rs

@@ -244,9 +244,6 @@ mod test {
         let options = lint_command().run_inner(new_args.as_slice()).unwrap();
         match LintRunner::new(options).run() {
             CliRunResult::LintResult(lint_result) => lint_result,
-            CliRunResult::LintError { error } => {
-                panic!("{error}")
-            }
             other => panic!("{other:?}"),
         }
     }

apps/oxlint/src/result.rs

@@ -7,21 +7,10 @@ use std::{
 #[derive(Debug)]
 pub enum CliRunResult {
     None,
-    InvalidOptions {
-        message: String,
-    },
-    PathNotFound {
-        paths: Vec<PathBuf>,
-    },
-    /// Indicates that there was an error trying to run the linter and it was
-    /// not able to complete linting successfully.
-    LintError {
-        error: String,
-    },
+    InvalidOptions { message: String },
+    PathNotFound { paths: Vec<PathBuf> },
     LintResult(LintResult),
-    PrintConfigResult {
-        config_file: String,
-    },
+    PrintConfigResult { config_file: String },
 }
 
 /// A summary of a complete linter run.
@@ -58,10 +47,6 @@ impl Termination for CliRunResult {
                 println!("Path {paths:?} does not exist.");
                 ExitCode::from(1)
             }
-            Self::LintError { error } => {
-                eprintln!("Error: {error}");
-                ExitCode::from(1)
-            }
             Self::LintResult(LintResult {
                 duration,
                 number_of_rules,

crates/oxc_linter/src/builder.rs

@@ -3,7 +3,6 @@ use std::{
     fmt,
 };
 
-use oxc_diagnostics::{Error, OxcDiagnostic};
 use oxc_span::CompactStr;
 use rustc_hash::FxHashSet;
 
@@ -102,20 +101,6 @@ impl LinterBuilder {
             oxlintrc_rules.override_rules(&mut builder.rules, all_rules.as_slice());
         }
 
-        #[expect(clippy::print_stderr)]
-        if !oxlintrc_rules.unknown_rules.is_empty() {
-            let rules = oxlintrc_rules
-                .unknown_rules
-                .iter()
-                .map(|r| r.full_name())
-                .collect::<Vec<_>>()
-                .join("\n");
-            let error = Error::from(OxcDiagnostic::warn(format!(
-                "The following rules do not match the currently supported rules:\n{rules}"
-            )));
-            eprintln!("{error:?}");
-        }
-
         builder
     }