drop support for gQUIC

internal/utils/atomic_bool.go

@@ -1,22 +0,0 @@
-package utils
-
-import "sync/atomic"
-
-// An AtomicBool is an atomic bool
-type AtomicBool struct {
-	v int32
-}
-
-// Set sets the value
-func (a *AtomicBool) Set(value bool) {
-	var n int32
-	if value {
-		n = 1
-	}
-	atomic.StoreInt32(&a.v, n)
-}
-
-// Get gets the value
-func (a *AtomicBool) Get() bool {
-	return atomic.LoadInt32(&a.v) != 0
-}