chore: remove repetitive words (#31153)

Signed-off-by: gcmutator <329964069@qq.com>

internal/core/build-support/cpplint.py

@@ -3852,7 +3852,7 @@ def CheckOperatorSpacing(filename, clean_lines, linenum, error):
   elif not Match(r'#.*include', line):
     # Look for < that is not surrounded by spaces.  This is only
     # triggered if both sides are missing spaces, even though
-    # technically should should flag if at least one side is missing a
+    # technically should flag if at least one side is missing a
     # space.  This is done to avoid some false positives with shifts.
     match = Match(r'^(.*[^\s<])<[^\s=<,]', line)
     if match:

internal/kv/etcd/etcd_kv.go

@@ -180,7 +180,7 @@ func (kv *etcdKV) LoadBytesWithPrefix(key string) ([]string, [][]byte, error) {
 	return keys, values, nil
 }
 
-// LoadBytesWithPrefix2 returns all the the keys,values and key versions with the given key prefix.
+// LoadBytesWithPrefix2 returns all the keys,values and key versions with the given key prefix.
 func (kv *etcdKV) LoadBytesWithPrefix2(key string) ([]string, [][]byte, []int64, error) {
 	start := time.Now()
 	key = path.Join(kv.rootPath, key)

pkg/util/timerecord/group_checker_test.go

@@ -27,7 +27,7 @@ func TestGroupChecker(t *testing.T) {
 	groupName := `test_group`
 	signal := make(chan []string, 1)
 	// 10ms period which set before is too short
-	// change 10ms to 500ms to ensure the the group checker schedule after the second value stored
+	// change 10ms to 500ms to ensure the group checker schedule after the second value stored
 	duration := 500 * time.Millisecond
 	gc1 := GetGroupChecker(groupName, duration, func(list []string) {
 		signal <- list