fix(agent): remove "toleration for all taints"

Ref: Longhorn-5614

Signed-off-by: Chin-Ya Huang <chin-ya.huang@suse.com>

pkg/manager/manager.go

@@ -397,30 +397,25 @@ func (m *SupportBundleManager) getTaintToleration() []v1.Toleration {
 		}
 		taintToleration = append(taintToleration, *toleration)
 	}
-
-	if len(taintToleration) == 0 {
-		return []v1.Toleration{{Operator: v1.TolerationOpExists}}
-	}
 	return taintToleration
 }
 
 func parseToleration(taintToleration string) (*v1.Toleration, error) {
-	toleration := &v1.Toleration{}
-
 	// The schema should be `key=value:effect` or `key:effect`
 	parts := strings.Split(taintToleration, ":")
 	if len(parts) != 2 {
 		return nil, fmt.Errorf("missing key/value and effect pair")
 	}
 
-	keyValue := parts[0]
-	key, value, operator, err := parseTolerationKeyAndValue(keyValue)
+	key, value, operator, err := parseTolerationKeyAndValue(parts[0])
 	if err != nil {
 		return nil, err
 	}
-	toleration.Key = key
-	toleration.Value = value
-	toleration.Operator = operator
+	toleration := &v1.Toleration{
+		Key: key,
+		Value: value,
+		Operator: operator,
+	}
 	toleration.Effect, err = parseTaintEffect(parts[1])
 	if err != nil {
 		return nil, err