removed hard-coded `size`

effectively reverts https://github.com/pelias/api/pull/684

query/search.js

@@ -59,7 +59,7 @@ function generateQuery( clean ){
 
   // size
   if( clean.querySize ) {
-    vs.var( 'size', 50 );
+    vs.var( 'size', clean.querySize );
   }
 
   // focus point

test/unit/fixture/search_boundary_country.js

@@ -74,7 +74,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_bbox.js

@@ -77,7 +77,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_focus.js

@@ -80,7 +80,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_focus_bbox.js

@@ -91,7 +91,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_focus_null_island.js

@@ -80,7 +80,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_only.js

@@ -66,7 +66,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_viewport.js

@@ -66,7 +66,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'

test/unit/fixture/search_linguistic_viewport_min_diagonal.js

@@ -66,7 +66,7 @@ module.exports = {
       'boost_mode': 'multiply'
     }
   },
-  'size': 50,
+  'size': 10,
   'track_scores': true,
   'sort': [
     '_score'