Add deleteBookmark() call.

Signed-off-by: Yahor Berdnikau <egorr.berd@gmail.com>

subsonic-api/src/integrationTest/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicApiDeleteBookmarkTest.kt

@@ -0,0 +1,33 @@
+package org.moire.ultrasonic.api.subsonic
+
+import org.junit.Test
+
+/**
+ * Integration test for [SubsonicAPIDefinition.deleteBookmark] call.
+ */
+class SubsonicApiDeleteBookmarkTest : SubsonicAPIClientTest() {
+    @Test
+    fun `Should handle error response`() {
+        checkErrorCallParsed(mockWebServerRule) {
+            client.api.deleteBookmark(1).execute()
+        }
+    }
+
+    @Test
+    fun `Should handle ok response`() {
+        mockWebServerRule.enqueueResponse("ping_ok.json")
+
+        val response = client.api.deleteBookmark(1).execute()
+
+        assertResponseSuccessful(response)
+    }
+
+    @Test
+    fun `Should pass id in request params`() {
+        val id = 233
+
+        mockWebServerRule.assertRequestParam(expectedParam = "id=$id") {
+            client.api.deleteBookmark(id).execute()
+        }
+    }
+}

subsonic-api/src/main/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicAPIDefinition.kt

@@ -230,4 +230,7 @@ interface SubsonicAPIDefinition {
             @Query("id") id: Int,
             @Query("position") position: Long,
             @Query("comment") comment: String? = null): Call<SubsonicResponse>
+
+    @GET("deleteBookmark.view")
+    fun deleteBookmark(@Query("id") id: Int): Call<SubsonicResponse>
 }