refactor: renamed module simple-serial to simple-serial-spring-boot-starter and removed build scripts in root build.gradle.kts

settings.gradle.kts

@@ -28,5 +28,5 @@ include(
     "simple-jwt-authzero",
     "simple-jwt-spring-boot-starter",
     "property-guard-spring-boot-starter",
-    "simple-serial"
+    "simple-serial-spring-boot-starter"
 )