Update content to work with modified gallery architecture

gallery/2015-spain-tarragona/1422b9b.md

@@ -1,8 +1,6 @@
 ---
 aperture: f/2.0
 date: 2015-06-27 14:50:42
-exif:
-  make: OnePlus
 exposure: 1/1900
 file: IMG_20150627_145039
 gallery: 2015-spain-tarragona
@@ -27,5 +25,6 @@ sizes:
   96x96:
     height: 96
     width: 96
-title: 
+title: null
+make: OnePlus
 ---

gallery/2015-spain-tarragona/5a4c1c4.md

@@ -1,8 +1,6 @@
 ---
 aperture: f/2.0
 date: 2015-06-27 16:01:01
-exif:
-  make: OnePlus
 exposure: 1/1500
 file: IMG_20150627_160058
 gallery: 2015-spain-tarragona
@@ -27,5 +25,6 @@ sizes:
   96x96:
     height: 96
     width: 96
-title: 
+title: null
+make: OnePlus
 ---

gallery/2015-spain-tarragona/ad9f802.md

@@ -1,8 +1,6 @@
 ---
 aperture: f/2.0
 date: 2015-06-28 11:28:21
-exif:
-  make: OnePlus
 exposure: 1/1600
 file: IMG_20150628_112819
 gallery: 2015-spain-tarragona
@@ -26,5 +24,6 @@ sizes:
   96x96:
     height: 96
     width: 96
-title: 
+title: null
+make: OnePlus
 ---

gallery/2015-spain-tarragona/c2c8f99.md

@@ -1,8 +1,6 @@
 ---
 aperture: f/2.0
 date: 2015-06-27 13:26:38
-exif:
-  make: OnePlus
 exposure: 1/1200
 file: IMG_20150627_132635
 gallery: 2015-spain-tarragona
@@ -26,5 +24,6 @@ sizes:
   96x96:
     height: 96
     width: 96
-title: 
+title: null
+make: OnePlus
 ---

gallery/2015-spain-tarragona/index.html

@@ -1,6 +0,0 @@
----
-layout: gallery-list
-title: 'Spain: Tarragona'
-highlight_photo: c2c8f99
-date: 2015-06-27
----

gallery/2015-spain-tarragona/map.html

@@ -1,8 +0,0 @@
----
-layout: gallery-map
-title: spain-2015-tarragona
-gallery_map:
-  latitude: 41.116458333333
-  longitude: 1.253865
-  zoom: 8
----

gallery/2015-spain-tarragona/slideshow.html

@@ -1,4 +0,0 @@
----
-layout: gallery-slideshow
-title: spain-2015-tarragona
----