onboarding: Remove accept AI ToS from within Zed (#36612)

Users now accept ToS from Zed's website when they sign in to Zed the
first time. So it's no longer possible that a signed in account could
not have accepted the ToS.


Release Notes:

- N/A

---------

Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>

crates/edit_prediction/src/edit_prediction.rs

@@ -89,9 +89,6 @@ pub trait EditPredictionProvider: 'static + Sized {
         debounce: bool,
         cx: &mut Context<Self>,
     );
-    fn needs_terms_acceptance(&self, _cx: &App) -> bool {
-        false
-    }
     fn cycle(
         &mut self,
         buffer: Entity<Buffer>,
@@ -124,7 +121,6 @@ pub trait EditPredictionProviderHandle {
     fn data_collection_state(&self, cx: &App) -> DataCollectionState;
     fn usage(&self, cx: &App) -> Option<EditPredictionUsage>;
     fn toggle_data_collection(&self, cx: &mut App);
-    fn needs_terms_acceptance(&self, cx: &App) -> bool;
     fn is_refreshing(&self, cx: &App) -> bool;
     fn refresh(
         &self,
@@ -196,10 +192,6 @@ where
         self.read(cx).is_enabled(buffer, cursor_position, cx)
     }
 
-    fn needs_terms_acceptance(&self, cx: &App) -> bool {
-        self.read(cx).needs_terms_acceptance(cx)
-    }
-
     fn is_refreshing(&self, cx: &App) -> bool {
         self.read(cx).is_refreshing()
     }