Remove spring-security-rsa dependency (#1744)

Co-authored-by: Ryan Baxter <[email protected]>

spring-cloud-kubernetes-fabric8-config/pom.xml

@@ -59,10 +59,6 @@
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-commons</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework.security</groupId>
-			<artifactId>spring-security-rsa</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>jakarta.annotation</groupId>
 			<artifactId>jakarta.annotation-api</artifactId>