Java 11493 (#12349)

* moved spring-cloud-bus (submodule) to spring-cloud-modules (parent)

* moved spring-cloud-cli (submodule) to spring-cloud-modules (parent)

* moved spring-cloud-data-flow (submodule) to spring-cloud-modules (parent)

* moved spring-sleuth (submodule) to spring-cloud-modules (parent)

* Deleted submodules that we moved to  spring-cloud-modules

* deleted old modules from parent pom

Co-authored-by: panagiotiskakos <panagiotis.kakos@libra-is.com>

spring-cloud-modules/spring-cloud-cli/yml/configserver.yml

@@ -0,0 +1,4 @@
+spring:
+  profiles:
+    active: git
+  cloud.config.server.git.uri: https://github.com/spring-cloud/spring-cloud-cli/tree/master/spring-cloud-launcher/spring-cloud-launcher-configserver

spring-cloud-modules/spring-cloud-cli/yml/eureka.yml

@@ -0,0 +1,8 @@
+spring:
+  profiles:
+    active: git
+  cloud:
+    config:
+      server:
+        git:
+          uri: https://github.com/spring-cloud/spring-cloud-cli/tree/master/spring-cloud-launcher/spring-cloud-launcher-eureka