Revert "upgrade dependency"

This reverts commit 5394785.

build.gradle

@@ -91,7 +91,7 @@ configure((Set<Project>) ext.javaProjects) {
         imports {
             mavenBom SpringBootPlugin.BOM_COORDINATES
             mavenBom "org.springframework.cloud:spring-cloud-dependencies:${spring_cloud_version}"
-            mavenBom "io.awspring.cloud:spring-cloud-aws-dependencies:${spring_aws_version}"
+            mavenBom "io.awspring.cloud:spring-cloud-aws-dependencies:2.4.1"
             mavenBom "com.google.protobuf:protobuf-bom:${protobuf_version}"
             mavenBom "com.squareup.okhttp3:okhttp-bom:4.9.2"
             mavenBom "io.grpc:grpc-bom:${grpc_version}"
@@ -123,7 +123,6 @@ configure((Set<Project>) ext.javaProjects) {
             dependency("org.codehaus.groovy:groovy-all:3.0.9")
             dependency("org.codehaus.janino:janino:3.1.6")
             dependency("org.dbunit:dbunit:2.7.3")
-            dependency("com.h2database:h2:${h2_db_version}")
             dependencySet(group: "org.springdoc", version: "1.6.6") {
                 entry "springdoc-openapi-hateoas"
                 entry "springdoc-openapi-ui"

gradle.properties

@@ -20,19 +20,16 @@
 
 protobuf_version=3.16.1
 grpc_version=1.38.1
-spring_boot_version=2.7.3
-spring_cloud_version=2021.0.3
-spring_aws_version=2.4.2
+spring_boot_version=2.6.7
+spring_cloud_version=2021.0.2
 
 ## Override Spring Dependency Managed Versions
 
 ## Gradle Property Overrides
 
 # Pin back flyway for time being as they don't support MySQL 5.7 without a teams license
 # https://flywaydb.org/documentation/database/mysql
-# Pin back h2 version since the version 2 and above requires flyway upgrade to at least 8
 flyway.version=7.7.3
-h2_db_version=1.4.200
 
 # org.gradle.parallel=true