style: fix lint

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterKeyword.kt

@@ -30,9 +30,7 @@ class FilterKeyword(
         return id == other.id
     }
 
-    override fun hashCode(): Int {
-        return id.hashCode()
-    }
+    override fun hashCode(): Int = id.hashCode()
 
     override fun toString(): String {
         return "FilterKeyword(" +

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterName.kt

@@ -29,9 +29,7 @@ class FilterName(name: String) {
         return name == other.name
     }
 
-    override fun hashCode(): Int {
-        return name.hashCode()
-    }
+    override fun hashCode(): Int = name.hashCode()
 
     override fun toString(): String {
         return "FilterName(" +

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/Relationship.kt

@@ -123,6 +123,7 @@ class Relationship(
         return result
     }
 
+    @Suppress("UnnecessaryAbstractClass")
     abstract class InternalRelationshipDomainService {
         protected fun block(relationship: Relationship) {
             relationship.block()

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/AbstractRepository.kt

@@ -27,7 +27,7 @@ import org.springframework.beans.factory.annotation.Value
 import org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator
 import java.sql.SQLException
 
-@Suppress("VarCouldBeVal")
+@Suppress("VarCouldBeVal", "UnnecessaryAbstractClass")
 abstract class AbstractRepository(protected val logger: Logger) {
     private val sqlErrorCodeSQLExceptionTranslator = SQLErrorCodeSQLExceptionTranslator()
     private val springDataAccessExceptionSQLExceptionTranslator = SpringDataAccessExceptionSQLExceptionTranslator()