Update service domain for harmony from 'remote' to 'harmony' (#29146)

* move harmoney services to harmony domain

* update service names

homeassistant/components/harmony/remote.py

@@ -19,7 +19,6 @@ from homeassistant.components.remote import (
     ATTR_HOLD_SECS,
     ATTR_NUM_REPEATS,
     DEFAULT_DELAY_SECS,
-    DOMAIN,
     PLATFORM_SCHEMA,
 )
 from homeassistant.const import (
@@ -33,6 +32,8 @@ from homeassistant.exceptions import PlatformNotReady
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import slugify
 
+from .const import DOMAIN, SERVICE_CHANGE_CHANNEL, SERVICE_SYNC
+
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_CHANNEL = "channel"
@@ -42,9 +43,6 @@ DEFAULT_PORT = 8088
 DEVICES = []
 CONF_DEVICE_CACHE = "harmony_device_cache"
 
-SERVICE_SYNC = "harmony_sync"
-SERVICE_CHANGE_CHANNEL = "harmony_change_channel"
-
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
         vol.Optional(ATTR_ACTIVITY): cv.string,