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

pom.xml

@@ -363,12 +363,6 @@
                 <version>${klp-flowable-plus.version}</version>
             </dependency>
 
-            <!-- 引入flyway -->
-            <dependency>
-                <groupId>org.flywaydb</groupId>
-                <artifactId>flyway-core</artifactId>
-                <version>8.5.13</version>
-            </dependency>
             <dependency>
                 <groupId>com.klp</groupId>
                 <artifactId>klp-ems</artifactId>