Properly specify dependency.

Author: mostlyobvious

Gemfile

@@ -6,4 +6,3 @@ gem  "rake",     "~> 13.0"
 gem  "minitest", "~> 5.14"
 gem  "webmock",  "~> 3.8"
 gem  "vcr",      "~> 5.1.0"
-gem  "faraday-http-cache"

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     nanoc-github (0.1.0)
-      front_matter_parser (= 0.2.1)
+      faraday-http-cache
       nanoc (~> 4.0)
       octokit (~> 4.0)
 
@@ -27,7 +27,6 @@ GEM
       multipart-post (>= 1.2, < 3)
     faraday-http-cache (2.0.0)
       faraday (~> 0.8)
-    front_matter_parser (0.2.1)
     hamster (3.0.0)
       concurrent-ruby (~> 1.0)
     hashdiff (1.0.1)
@@ -98,7 +97,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  faraday-http-cache
   minitest (~> 5.14)
   nanoc-github!
   rake (~> 13.0)

nanoc-github.gemspec

@@ -26,5 +26,5 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "nanoc",               "~> 4.0"
   spec.add_dependency "octokit",             "~> 4.0"
-  spec.add_dependency "front_matter_parser", "= 0.2.1"
+  spec.add_dependency "faraday-http-cache"
 end