Fix typo: duplicated the [skip-ci]

lib/cgi/cookie.rb

@@ -57,7 +57,7 @@ class CGI
     #
     #   name:: the name of the cookie.  Required.
     #   value:: the cookie's value or list of values.
-    #   path:: the path for which this cookie applies.  Defaults to the
+    #   path:: the path for which this cookie applies.  Defaults to
     #          the value of the +SCRIPT_NAME+ environment variable.
     #   domain:: the domain for which this cookie applies.
     #   expires:: the time at which this cookie expires, as a +Time+ object.

lib/net/http/header.rb

@@ -323,7 +323,7 @@ module Net::HTTPHeader
   end
 
   # Returns "true" if the "transfer-encoding" header is present and
-  # set to "chunked".  This is an HTTP/1.1 feature, allowing the
+  # set to "chunked".  This is an HTTP/1.1 feature, allowing
   # the content to be sent in "chunks" without at the outset
   # stating the entire content length.
   def chunked?

spec/bundler/commands/binstubs_spec.rb

@@ -264,7 +264,7 @@ RSpec.describe "bundle binstubs <gem>" do
     end
 
     context "when using --shebang" do
-      it "sets the specified shebang for the the binstub" do
+      it "sets the specified shebang for the binstub" do
         install_gemfile <<-G
           source "#{file_uri_for(gem_repo1)}"
           gem "rack"

spec/ruby/core/module/autoload_spec.rb

@@ -534,7 +534,7 @@ describe "Module#autoload" do
       end
     end
 
-    it "and fails when finding the undefined autoload constant in the the current scope when declared in current and defined in parent" do
+    it "and fails when finding the undefined autoload constant in the current scope when declared in current and defined in parent" do
       @remove << :DeclaredInCurrentDefinedInParent
       module ModuleSpecs::Autoload
         ScratchPad.record -> {

spec/ruby/library/digest/bubblebabble_spec.rb

@@ -6,7 +6,7 @@ describe "Digest.bubblebabble" do
     Digest.bubblebabble('').should be_an_instance_of(String)
   end
 
-  it "returns a String in the The Bubble Babble Binary Data Encoding format" do
+  it "returns a String in the Bubble Babble Binary Data Encoding format" do
     Digest.bubblebabble('').should == 'xexax'
     Digest.bubblebabble('foo').should == 'xinik-zorox'
     Digest.bubblebabble('bar').should == 'ximik-cosex'