fix(rules): Code quality

Fixed small problems

modules/core/src/main/resources/resources/application.yml

@@ -1,2 +0,0 @@
-greeting:
-  message: "hello"

modules/core/src/main/resources/resources/import.sql

@@ -1,6 +0,0 @@
--- This file allow to write SQL commands that will be emitted in test and dev.
--- The commands are commented as their support depends of the database
--- insert into myentity (id, field) values(1, 'field-1');
--- insert into myentity (id, field) values(2, 'field-2');
--- insert into myentity (id, field) values(3, 'field-3');
--- alter sequence myentity_seq restart with 4;