Remove 2 suffix for vim, diagnostics, go_to_line, theme_selector, command_palette, file_finder

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/diagnostics/src/project_diagnostics_settings.rs

@@ -11,14 +11,14 @@ pub struct ProjectDiagnosticsSettingsContent {
     include_warnings: Option<bool>,
 }
 
-impl settings::Setting for ProjectDiagnosticsSettings {
+impl settings::Settings for ProjectDiagnosticsSettings {
     const KEY: Option<&'static str> = Some("diagnostics");
     type FileContent = ProjectDiagnosticsSettingsContent;
 
     fn load(
         default_value: &Self::FileContent,
         user_values: &[&Self::FileContent],
-        _cx: &gpui::AppContext,
+        _cx: &mut gpui::AppContext,
     ) -> anyhow::Result<Self>
     where
         Self: Sized,