refactor(linter): move default all_rules output to trait (#8710)

Author: Sysix

apps/oxlint/src/output_formatter/checkstyle.rs

@@ -13,10 +13,6 @@ use crate::output_formatter::InternalFormatter;
 pub struct CheckStyleOutputFormatter;
 
 impl InternalFormatter for CheckStyleOutputFormatter {
-    fn all_rules(&self) -> Option<String> {
-        None
-    }
-
     fn get_diagnostic_reporter(&self) -> Box<dyn DiagnosticReporter> {
         Box::new(CheckstyleReporter::default())
     }

apps/oxlint/src/output_formatter/github.rs

@@ -11,10 +11,6 @@ use crate::output_formatter::InternalFormatter;
 pub struct GithubOutputFormatter;
 
 impl InternalFormatter for GithubOutputFormatter {
-    fn all_rules(&self) -> Option<String> {
-        None
-    }
-
     fn get_diagnostic_reporter(&self) -> Box<dyn DiagnosticReporter> {
         Box::new(GithubReporter)
     }

apps/oxlint/src/output_formatter/mod.rs

@@ -62,7 +62,9 @@ pub struct LintCommandInfo {
 /// The Formatter is then managed by [`OutputFormatter`].
 trait InternalFormatter {
     /// Print all available rules by oxlint
-    fn all_rules(&self) -> Option<String>;
+    fn all_rules(&self) -> Option<String> {
+        None
+    }
 
     /// At the end of the Lint command the Formatter can output extra information.
     fn lint_command_info(&self, _lint_command_info: &LintCommandInfo) -> Option<String> {

apps/oxlint/src/output_formatter/stylish.rs

@@ -10,10 +10,6 @@ use crate::output_formatter::InternalFormatter;
 pub struct StylishOutputFormatter;
 
 impl InternalFormatter for StylishOutputFormatter {
-    fn all_rules(&self) -> Option<String> {
-        None
-    }
-
     fn get_diagnostic_reporter(&self) -> Box<dyn DiagnosticReporter> {
         Box::new(StylishReporter::default())
     }

apps/oxlint/src/output_formatter/unix.rs

@@ -11,10 +11,6 @@ use crate::output_formatter::InternalFormatter;
 pub struct UnixOutputFormatter;
 
 impl InternalFormatter for UnixOutputFormatter {
-    fn all_rules(&self) -> Option<String> {
-        None
-    }
-
     fn get_diagnostic_reporter(&self) -> Box<dyn DiagnosticReporter> {
         Box::new(UnixReporter::default())
     }