cleaned up StreamActions interface

src/main/resources/application.properties

@@ -11,7 +11,7 @@ spring.datasource.username=${POSTGRES_USER}
 spring.datasource.password=${POSTGRES_PASSWORD}
 spring.datasource.driver-class-name=org.postgresql.Driver
 spring.jpa.hibernate.ddl-auto=update
-spring.jpa.show-sql=true
+spring.jpa.show-sql=false
 spring.sql.init.mode=always
 spring.sql.init.schema-locations=classpath:db/schema.sql
 
@@ -35,4 +35,4 @@ media.streams=/app/stream/
 server.servlet.session.timeout=30m
 
 # Serialize Instant as ISO-8601 UTC string (not epoch seconds)
-spring.jackson.serialization.write-dates-as-timestamps=false
+spring.jackson.serialization.write-dates-as-timestamps=false