Remove duplicate dependency

Author: sbrannen

spring-test/spring-test.gradle

@@ -80,7 +80,6 @@ dependencies {
 	testImplementation("org.hibernate:hibernate-validator")
 	testImplementation("org.hsqldb:hsqldb")
 	testImplementation("org.junit.platform:junit-platform-testkit")
-	testImplementation("org.mockito:mockito-core")
 	testRuntimeOnly("com.sun.xml.bind:jaxb-core")
 	testRuntimeOnly("com.sun.xml.bind:jaxb-impl")
 	testRuntimeOnly("org.glassfish:jakarta.el")