error: fix wrong error message of ErrGCTTLExceeded (pingcap#2121) (pi…

…ngcap#2126)

errors.toml

@@ -278,7 +278,7 @@ event is larger than the total memory quota, size: %d, quota: %d
 
 ["CDC:ErrGCTTLExceeded"]
 error = '''
-the checkpoint-ts(%d) lag of the changefeed(%s) %d has exceeded the GC TTL
+the checkpoint-ts(%d) lag of the changefeed(%s) has exceeded the GC TTL
 '''
 
 ["CDC:ErrGRPCDialFailed"]

pkg/errors/errors.go

@@ -187,7 +187,7 @@ var (
 	ErrUpdateServiceSafepointFailed = errors.Normalize("updating service safepoint failed", errors.RFCCodeText("CDC:ErrUpdateServiceSafepointFailed"))
 	ErrStartTsBeforeGC              = errors.Normalize("fail to create changefeed because start-ts %d is earlier than GC safepoint at %d", errors.RFCCodeText("CDC:ErrStartTsBeforeGC"))
 	ErrSnapshotLostByGC             = errors.Normalize("fail to create or maintain changefeed due to snapshot loss caused by GC. checkpoint-ts %d is earlier than GC safepoint at %d", errors.RFCCodeText("CDC:ErrSnapshotLostByGC"))
-	ErrGCTTLExceeded                = errors.Normalize("the checkpoint-ts(%d) lag of the changefeed(%s) %d has exceeded the GC TTL", errors.RFCCodeText("CDC:ErrGCTTLExceeded"))
+	ErrGCTTLExceeded                = errors.Normalize("the checkpoint-ts(%d) lag of the changefeed(%s) has exceeded the GC TTL", errors.RFCCodeText("CDC:ErrGCTTLExceeded"))
 	ErrNotOwner                     = errors.Normalize("this capture is not a owner", errors.RFCCodeText("CDC:ErrNotOwner"))
 	ErrTableListenReplicated        = errors.Normalize("A table is being replicated by at least two processors(%s, %s), please report a bug", errors.RFCCodeText("CDC:ErrTableListenReplicated"))
 	// EtcdWorker related errors. Internal use only.