Cleanups preparing for WindowContext refactor (#22475)

* Remove unnecessary WindowContext and ViewContext '_ lifetimes

* Removed some cases where WindowContext has a different name than `cx`.

Release Notes:

- N/A

crates/terminal_view/src/terminal_view.rs

@@ -606,7 +606,7 @@ impl TerminalView {
         dispatch_context
     }
 
-    fn set_terminal(&mut self, terminal: Model<Terminal>, cx: &mut ViewContext<'_, TerminalView>) {
+    fn set_terminal(&mut self, terminal: Model<Terminal>, cx: &mut ViewContext<TerminalView>) {
         self._terminal_subscriptions =
             subscribe_for_terminal_events(&terminal, self.workspace.clone(), cx);
         self.terminal = terminal;
@@ -616,7 +616,7 @@ impl TerminalView {
 fn subscribe_for_terminal_events(
     terminal: &Model<Terminal>,
     workspace: WeakView<Workspace>,
-    cx: &mut ViewContext<'_, TerminalView>,
+    cx: &mut ViewContext<TerminalView>,
 ) -> Vec<Subscription> {
     let terminal_subscription = cx.observe(terminal, |_, _, cx| cx.notify());
     let terminal_events_subscription =