Limit the extension tasks in the modal to current language only (#10207)

Release Notes:

- N/A

crates/language/src/task_context.rs

@@ -1,12 +1,8 @@
-use crate::{LanguageRegistry, Location};
+use crate::Location;
 
 use anyhow::Result;
-use gpui::{AppContext, Context, Model};
-use std::sync::Arc;
-use task::{
-    static_source::{tasks_for, TaskDefinitions},
-    TaskSource, TaskVariables, VariableName,
-};
+use gpui::AppContext;
+use task::{static_source::TaskDefinitions, TaskVariables, VariableName};
 
 /// Language Contexts are used by Zed tasks to extract information about source file.
 pub trait ContextProvider: Send + Sync {
@@ -67,45 +63,3 @@ impl ContextProvider for ContextProviderWithTasks {
         SymbolContextProvider.build_context(location, cx)
     }
 }
-
-/// A source that pulls in the tasks from language registry.
-pub struct LanguageSource {
-    languages: Arc<LanguageRegistry>,
-}
-
-impl LanguageSource {
-    pub fn new(
-        languages: Arc<LanguageRegistry>,
-        cx: &mut AppContext,
-    ) -> Model<Box<dyn TaskSource>> {
-        cx.new_model(|_| Box::new(Self { languages }) as Box<_>)
-    }
-}
-
-impl TaskSource for LanguageSource {
-    fn as_any(&mut self) -> &mut dyn std::any::Any {
-        self
-    }
-
-    fn tasks_for_path(
-        &mut self,
-        _: Option<&std::path::Path>,
-        _: &mut gpui::ModelContext<Box<dyn TaskSource>>,
-    ) -> Vec<Arc<dyn task::Task>> {
-        self.languages
-            .to_vec()
-            .into_iter()
-            .filter_map(|language| {
-                language
-                    .context_provider()?
-                    .associated_tasks()
-                    .map(|tasks| (tasks, language))
-            })
-            .flat_map(|(tasks, language)| {
-                let language_name = language.name();
-                let id_base = format!("buffer_source_{language_name}");
-                tasks_for(tasks, &id_base)
-            })
-            .collect()
-    }
-}