Revert "Bump recaptcha from 4.13.1 to 4.13.2 (publiclab#452)"

This reverts commit 45a4f7e.

Gemfile.lock

@@ -44,15 +44,6 @@ GEM
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     concurrent-ruby (1.1.4)
-    coveralls (0.7.1)
-      multi_json (~> 1.3)
-      rest-client
-      simplecov (>= 0.7)
-      term-ansicolor
-      thor
-    docile (1.3.1)
-    domain_name (0.5.20180417)
-      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     execjs (2.7.0)
     ffi (1.10.0)
@@ -62,8 +53,6 @@ GEM
     geokit-rails (1.1.4)
       geokit (>= 1.5.0)
     hike (1.2.3)
-    http-cookie (1.0.3)
-      domain_name (~> 0.5)
     httparty (0.16.2)
       multi_xml (>= 0.5.2)
     i18n (0.9.5)
@@ -85,7 +74,6 @@ GEM
     multi_json (1.13.1)
     multi_xml (0.6.0)
     mysql2 (0.3.21)
-    netrc (0.11.0)
     nokogiri (1.10.1)
       mini_portile2 (~> 2.4.0)
     oa-core (0.3.2)
@@ -137,13 +125,9 @@ GEM
     rdiscount (2.2.0.1)
     rdoc (3.12.2)
       json (~> 1.4)
-    recaptcha (4.13.2)
+    recaptcha (4.13.1)
       json
     ref (2.0.0)
-    rest-client (2.0.2)
-      http-cookie (>= 1.0.2, < 2.0)
-      mime-types (>= 1.16, < 4.0)
-      netrc (~> 0.8)
     right_aws (3.1.0)
       right_http_connection (>= 1.2.5)
     right_http_connection (1.5.0)
@@ -155,36 +139,25 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    simplecov (0.16.1)
-      docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
     sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.4.0)
-    term-ansicolor (1.7.1)
-      tins (~> 1.0)
     test-unit (3.3.0)
       power_assert
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
     thor (0.20.3)
     tilt (1.4.1)
-    tins (1.20.2)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
     tzinfo (0.3.55)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.7.5)
     uuidtools (2.1.5)
     will_paginate (3.1.7)
     will_paginate-bootstrap (1.0.2)
@@ -197,7 +170,6 @@ DEPENDENCIES
   RubyInline
   autoprefixer-rails
   aws-sdk (~> 1.5.7)
-  coveralls
   friendly_id
   geokit-rails (= 1.1.4)
   image_science (= 1.2.6)