chore: spin clock library out to coder/quartz repo (#13777)

Code that was in `/clock` has been moved to github.com/coder/quartz.  This PR refactors our use of the clock library to point to the external Quartz repo.

coderd/autobuild/notify/notifier.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/coder/coder/v2/clock"
+	"github.com/coder/quartz"
 )
 
 // Notifier triggers callbacks at given intervals until some event happens.  The
@@ -26,7 +26,7 @@ type Notifier struct {
 	countdown  []time.Duration
 
 	// for testing
-	clock clock.Clock
+	clock quartz.Clock
 }
 
 // Condition is a function that gets executed periodically, and receives the
@@ -43,7 +43,7 @@ type Condition func(now time.Time) (deadline time.Time, callback func())
 type Option func(*Notifier)
 
 // WithTestClock is used in tests to inject a mock Clock
-func WithTestClock(clk clock.Clock) Option {
+func WithTestClock(clk quartz.Clock) Option {
 	return func(n *Notifier) {
 		n.clock = clk
 	}
@@ -67,7 +67,7 @@ func New(cond Condition, interval time.Duration, countdown []time.Duration, opts
 		countdown:  ct,
 		condition:  cond,
 		notifiedAt: make(map[time.Duration]bool),
-		clock:      clock.NewReal(),
+		clock:      quartz.NewReal(),
 	}
 	for _, opt := range opts {
 		opt(n)

coderd/autobuild/notify/notifier_test.go

@@ -7,9 +7,9 @@ import (
 	"github.com/stretchr/testify/require"
 	"go.uber.org/goleak"
 
-	"github.com/coder/coder/v2/clock"
 	"github.com/coder/coder/v2/coderd/autobuild/notify"
 	"github.com/coder/coder/v2/testutil"
+	"github.com/coder/quartz"
 )
 
 func TestNotifier(t *testing.T) {
@@ -87,7 +87,7 @@ func TestNotifier(t *testing.T) {
 		t.Run(testCase.Name, func(t *testing.T) {
 			t.Parallel()
 			ctx := testutil.Context(t, testutil.WaitShort)
-			mClock := clock.NewMock(t)
+			mClock := quartz.NewMock(t)
 			mClock.Set(now).MustWait(ctx)
 			numConditions := 0
 			numCalls := 0