JAVA-39: Updated parent module pom to remove deleted module

spring-security-modules/pom.xml

@@ -20,7 +20,6 @@
         <module>spring-security-cache-control</module>
         <module>spring-security-core</module>
         <module>spring-security-cors</module>
-        <module>spring-security-kerberos</module>
         <module>spring-security-mvc</module>
         <module>spring-security-mvc-boot-1</module>
         <module>spring-security-mvc-boot-2</module>