Move Samples to spring-ldap-samples

Samples are now maintained at
https://github.com/spring-projects/spring-ldap-samples

Closes gh-921

Author: jzheaux

buildSrc/src/test/resources/samples/showcase/sgbcs-core/sgbcs-core.gradle

@@ -2,7 +2,6 @@ apply plugin: 'io.spring.convention.spring-module'
 
 dependencies {
 	api platform('org.springframework.boot:spring-boot-dependencies:3.2.2')
-	optional 'ch.qos.logback:logback-classic'
 	testImplementation "org.junit.jupiter:junit-jupiter-api"
 	testImplementation "org.junit.jupiter:junit-jupiter-engine"
 }

dependencies/build.gradle

@@ -30,7 +30,6 @@ dependencies {
 		api "com.querydsl:querydsl-apt:$queryDslVersion"
 		api "commons-pool:commons-pool:1.6"
 		api "org.apache.commons:commons-pool2:2.11.1"
-		api "ch.qos.logback:logback-classic:1.4.14"
 		api "com.google.code.typica:typica:1.7.2"
 		api "com.unboundid:unboundid-ldapsdk:6.0.11"
 		api "commons-codec:commons-codec:1.16.1"
@@ -61,9 +60,6 @@ dependencies {
 		api "org.slf4j:log4j-over-slf4j:1.7.36"
 		api "org.slf4j:slf4j-api:1.7.36"
 		api "org.slf4j:slf4j-log4j12:1.7.36"
-		api "org.springframework.security:spring-security-config:5.8.14"
-		api "org.springframework.security:spring-security-core:5.8.14"
-		api "org.springframework.security:spring-security-ldap:5.8.14"
 	}
 }