refactor(database): 移除Flyway数据库迁移配置

- 从application.yml中移除flyway相关配置项
- 从application-dev.yml中移除flyway相关配置项
- 从application-prod.yml中移除flyway相关配置项
- 将EmsEnergyConsumptionController中的StringUtils替换为Spring工具类
- 删除FlywayConfig配置类及其命令行启动器实现
- 从klp-common模块的pom.xml中移除flyway依赖
- 从根pom.xml中移除flyway核心依赖

klp-common/pom.xml

@@ -170,16 +170,6 @@
             <artifactId>ip2region</artifactId>
         </dependency>
 
-        <!-- 引入flyway -->
-        <dependency>
-            <groupId>org.flywaydb</groupId>
-            <artifactId>flyway-core</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.flywaydb</groupId>
-            <artifactId>flyway-mysql</artifactId>
-        </dependency>
         <!-- 动态数据源依赖 -->
         <dependency>
             <groupId>com.baomidou</groupId>