Cleanup deprecated and outdated examples

README.adoc

@@ -176,12 +176,8 @@ Number of Examples: 77 (0 deprecated)
 
 | link:main-micrometer/README.adoc[Main Micrometer] (main-micrometer) | Observability | Standalone Camel with Micrometer and Prometheus
 
-| link:kotlin/README.adoc[Kotlin] (kotlin) | Other Languages | A Camel route using Kotlin
-
 | link:reactive-executor-vertx/README.adoc[Reactive Executor Vertx] (reactive-executor-vertx) | Reactive | An example for showing using VertX as reactive executor with standalone Camel
 
-| link:spring-security/README.adoc[Spring Security] (spring-security) | Security | An example showing how to work with Camel and Spring Security
-
 | link:salesforce-consumer/README.adoc[Salesforce Consumer] (salesforce-consumer) | Social | An example that uses Salesforce Rest Streaming API
 
 | link:telegram/README.adoc[Telegram] (telegram) | Social | An example that uses Telegram API