Remove silent from the options for search as per @alloy's suggestion

lib/cocoapods/command/search.rb

@@ -17,7 +17,7 @@ module Pod
           ["--stats", "Show additional stats (like GitHub watchers and forks)"],
           ["--ios",   "Restricts the search to Pods supported on iOS"],
           ["--osx",   "Restricts the search to Pods supported on OS X"]
-        ].concat(super)
+        ].concat(super.reject { |option, _| option == '--silent' })
       end
 
       def initialize(argv)

spec/functional/command/search_spec.rb

@@ -46,7 +46,7 @@ module Pod
       output.should.not.include? 'BananaLib'
     end
 
-    it "gives output when the silent config is true" do
+    it "outputs with the silent parameter" do
       output = run_command('search', 'BananaLib', '--silent')
       output.should.include? 'BananaLib'
     end