Remove sql limits when not needed

api/src/routing/AuthController.kt

@@ -67,4 +67,4 @@ fun Routing.auth(kodein: Kodein) {
         }
     }
 
-}
+}

api/src/services/UserService.kt

@@ -23,7 +23,6 @@ class UserService(override val kodein: Kodein) : KodeinAware {
         return db.from(Users)
             .select(Users.id)
             .where { Users.email eq userEmail }
-            .limit(0, 1)
             .map { it[Users.id] }
             .firstOrNull()
     }
@@ -35,7 +34,6 @@ class UserService(override val kodein: Kodein) : KodeinAware {
         return db.from(Users)
             .select(Users.email, Users.password)
             .where { Users.username eq username }
-            .limit(0, 1)
             .map { row -> row[Users.email]!! to row[Users.password]!! }
             .firstOrNull()
     }
@@ -101,4 +99,4 @@ class UserService(override val kodein: Kodein) : KodeinAware {
 }
 
 data class UserDto(val username: String, val email: String, val password: String)
-data class UserInfoDto(val username: String, val email: String)
+data class UserInfoDto(val username: String, val email: String)