Delete the long-obsolete kernel.TaskMaybe interface.

PiperOrigin-RevId: 211131855
Change-Id: Ia7799561ccd65d16269e0ae6f408ab53749bca37

1 files changed, 0 insertions, 12 deletions

diff --git a/pkg/sentry/kernel/task.go b/pkg/sentry/kernel/task.go
index 0f83c0a39..21be3120e 100644
--- a/pkg/sentry/kernel/task.go
+++ b/pkg/sentry/kernel/task.go
@@ -499,13 +499,6 @@ func (t *Task) afterLoad() {
 // struct.
 const copyScratchBufferLen = 52
 
-// TaskMaybe is the interface for extracting Tasks out of things which may be
-// or contain Task objects.
-type TaskMaybe interface {
-	// ExtractTask returns the Task.
-	ExtractTask() *Task
-}
-
 // CopyScratchBuffer returns a scratch buffer to be used in CopyIn/CopyOut
 // functions. It must only be used within those functions and can only be used
 // by the task goroutine; it exists to improve performance and thus
@@ -525,11 +518,6 @@ func (t *Task) FutexWaiter() *futex.Waiter {
 	return t.futexWaiter
 }
 
-// ExtractTask implements TaskMaybe.ExtractTask.
-func (t *Task) ExtractTask() *Task {
-	return t
-}
-
 // TaskContext returns t's TaskContext.
 //
 // Precondition: The caller must be running on the task goroutine, or t.mu must