parking/orientation: update and deprecate key (#673)

Following the successful street parking revision proposal https://wiki.openstreetmap.org/wiki/Proposed_features/street_parking_revision#Summary:_What_is_proposed,_changed_and_deprecated? the tag for orientation on separately mapped parking spaces is now just `orientation`.

data/deprecated.json

@@ -1205,6 +1205,14 @@
     "old": {"parking": "street"},
     "replace": {"parking": "lane"}
   },
+  {
+    "old": {"parking:orientation": "*"},
+    "replace": {"orientation": "$1"}
+  },
+  {
+    "old": {"orientation": "orthogonal"},
+    "replace": {"orientation": "perpendicular"}
+  },
   {
     "old": {"parking:orientation": "orthogonal"},
     "replace": {"parking:orientation": "perpendicular"}

data/fields/orientation/orientation_parking.json

@@ -1,5 +1,5 @@
 {
-    "key": "parking:orientation",
+    "key": "orientation",
     "type": "combo",
     "label": "Orientation",
     "strings": {

data/presets/amenity/parking/street-side.json

@@ -2,7 +2,7 @@
     "icon": "temaki-car_parked",
     "fields": [
         "{amenity/parking}",
-        "parking/orientation"
+        "orientation/orientation_parking"
     ],
     "geometry": [
         "area",