remove extra code (#1294)

spring-rest-angular/src/main/resources/db/sql/employees.sql

@@ -1,16 +0,0 @@
-CREATE TABLE employee (
-  id   INTEGER PRIMARY KEY,
-  name VARCHAR(30),
-  age INTEGER
-);
-
-INSERT INTO employee (id,name,age) 
-VALUES (1,'Bryan',20);
-INSERT INTO employee (id,name,age) 
-VALUES (2,'Lisa',30);
-INSERT INTO employee (id,name,age) 
-VALUES (3,'Laura',40);
-INSERT INTO employee (id,name,age) 
-VALUES (4,'Alex',35);
-INSERT INTO employee (id,name,age) 
-VALUES (5,'John',47);