Semi-automatically cleanup (dimensions of) photo galleries

_data/gallery/2015-spain-tarragona.yml

@@ -3,53 +3,43 @@ date: 2015-06-27
 map:
   latitude: 41.116458333333
   longitude: 1.253865
-  zoom: 8
 photos:
   c2c8f99:
     aperture: f/2.0
     date: 2015-06-27 13:26:38
     exposure: 1/1200
     file: IMG_20150627_132635
-    location:
-      latitude: 41.117123333333
-      longitude: 1.25617
     model: One
     width: 1920
     make: OnePlus
+    latitude: 41.117123333333
+    longitude: 1.25617
   1422b9b:
     aperture: f/2.0
     date: 2015-06-27 14:50:42
     exposure: 1/1900
     file: IMG_20150627_145039
-    location:
-      latitude: 41.113583333333
-      longitude: 1.25641
     model: One
     width: 1920
     make: OnePlus
+    latitude: 41.113583333333
+    longitude: 1.25641
   5a4c1c4:
     aperture: f/2.0
     date: 2015-06-27 16:01:01
     exposure: 1/1500
     file: IMG_20150627_160058
-    location:
-      latitude: 41.118206666667
-      longitude: 1.2472083333333
     model: One
-    sizes:
-      1920x1080: { height: 1080, width: 1920 }
-      640w: { height: 1138, width: 640 }
-      200x200: { height: 200, width: 200 }
-      96x96: { height: 96, width: 96 }
     make: OnePlus
+    latitude: 41.118206666667
+    longitude: 1.2472083333333
   ad9f802:
     aperture: f/2.0
     date: 2015-06-28 11:28:21
     exposure: 1/1600
     file: IMG_20150628_112819
-    location:
-      latitude: 41.11692
-      longitude: 1.2556716666667
     model: One
     width: 1920
-    make: OnePlus
+    make: OnePlus
+    latitude: 41.11692
+    longitude: 1.2556716666667