Remove useless imports

src/main/java/com/ippon/pouet/config/WebConfigurer.java

src/test/java/com/ippon/pouet/config/WebConfigurerTest.java

...test/java/com/ippon/pouet/web/rest/AccountResourceIT.java

src/test/java/com/ippon/pouet/web/rest/AuditResourceIT.java

...st/java/com/ippon/pouet/web/rest/UserJWTControllerIT.java