Revert "Dependency updates. (#14033)" (#14304)

This reverts commit f14c79f170.

vendor/go.uber.org/zap/buffer/buffer.go

@@ -23,10 +23,7 @@
 // package's zero-allocation formatters.
 package buffer // import "go.uber.org/zap/buffer"
 
-import (
-	"strconv"
-	"time"
-)
+import "strconv"
 
 const _size = 1024 // by default, create 1 KiB buffers
 
@@ -52,11 +49,6 @@ func (b *Buffer) AppendInt(i int64) {
 	b.bs = strconv.AppendInt(b.bs, i, 10)
 }
 
-// AppendTime appends the time formatted using the specified layout.
-func (b *Buffer) AppendTime(t time.Time, layout string) {
-	b.bs = t.AppendFormat(b.bs, layout)
-}
-
 // AppendUint appends an unsigned integer to the underlying buffer (assuming
 // base 10).
 func (b *Buffer) AppendUint(i uint64) {