docs(CHANGES): simplify bulk operations API list

why: Reflect simplified API (only set_hooks remains as bulk operation)
what:
- Update bulk operations section to show only set_hooks
- Remove references to removed methods

Squash target: ea47955 (docs(CHANGES): add HooksMixin to new features)

Author: tony

CHANGES

@@ -105,11 +105,7 @@ Added {class}`hooks.HooksMixin` for managing tmux hooks programmatically:
 
 Bulk operations API for managing indexed hooks:
 
-- {meth}`~hooks.HooksMixin.get_hook_indices` - Get list of indices that exist for a hook
-- {meth}`~hooks.HooksMixin.get_hook_values` - Get all indexed values as SparseArray
-- {meth}`~hooks.HooksMixin.set_hooks_bulk` - Set multiple indexed hooks at once
-- {meth}`~hooks.HooksMixin.clear_hook` - Unset all indexed values for a hook
-- {meth}`~hooks.HooksMixin.append_hook` - Append at next available index
+- {meth}`~hooks.HooksMixin.set_hooks` - Set multiple indexed hooks at once
 
 HooksMixin is available on {class}`Server`, {class}`Session`, {class}`Window`, and {class}`Pane`.