Remove gradle build file

build.gradle

@@ -1,21 +0,0 @@
-buildscript {
-	dependencies {
-		classpath 'io.spring.gradle:spring-build-conventions:0.0.1.BUILD-SNAPSHOT'
-		classpath "org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion"
-	}
-	repositories {
-		maven { url 'https://repo.spring.io/libs-snapshot' }
-		maven { url 'https://repo.spring.io/plugins-snapshot' }
-	}
-}
-apply plugin: 'io.spring.convention.root'
-
-group = 'org.springframework.session'
-description = 'Spring Session'
-
-
-ext.releaseBuild = version.endsWith('RELEASE')
-ext.snapshotBuild = version.endsWith('SNAPSHOT')
-ext.milestoneBuild = !(releaseBuild || snapshotBuild)
-
-