删除console，更新readme

uni_modules/uni-datetime-picker/components/uni-datetime-picker/calendar.vue

@@ -247,7 +247,6 @@
 					if (!this.range) {
 						this.time = newVal
 					} else {
-						// console.log('-----', newVal);
 						this.timeRange.startTime = newVal.start
 						this.timeRange.endTime = newVal.end
 					}

uni_modules/uni-datetime-picker/components/uni-datetime-picker/uni-datetime-picker.vue

@@ -769,10 +769,8 @@
 			},
 
 			leftMonthSwitch(e) {
-				// console.log('leftMonthSwitch 返回:', e)
 			},
 			rightMonthSwitch(e) {
-				// console.log('rightMonthSwitch 返回:', e)
 			}
 		}
 	}