Remove some some duplicate words in copy.

docs/using-dev-environment.md

@@ -28,7 +28,7 @@ changes take effect.  The Handlebars frontend HTML templates
 `tools/compile-handlebars-templates` job, which runs as part of
 `tools/run-dev.py`.
 
-* If you change Python code used by the the main Django/Tornado server
+* If you change Python code used by the main Django/Tornado server
 processes, these services are run on top of Django's [manage.py
 runserver][django-runserver] which will automatically restart the
 Zulip Django and Tornado servers whenever you save changes to Python

puppet/stdlib/spec/functions/ensure_resource_spec.rb

@@ -12,7 +12,7 @@ describe 'ensure_resource' do
     let :pre_condition do
       'user { "dan": }'
     end
-    it "should contain the the ensured resources" do
+    it "should contain the ensured resources" do
       subject.should run.with_params('user', 'dan', {})
       compiler.catalog.resource('User[dan]').to_s.should == 'User[dan]'
     end

static/js/compose.js

@@ -634,7 +634,7 @@ exports.respond_to_message = function (opts) {
     var pm_recipient = message.reply_to;
     if (opts.reply_type === "personal" && message.type === "private") {
         // reply_to for private messages is everyone involved, so for
-        // personals replies we need to set the the private message
+        // personals replies we need to set the private message
         // recipient to just the sender
         pm_recipient = message.sender_email;
     }

templates/zerver/integrations.html

@@ -617,7 +617,7 @@
 
       <p>In the next screen, provide the details. First, click Add Actions to
       display the rule actions. Select "Trigger an App Action" in the dropdown, and
-      then the name of the custom action you created earlier when the the second
+      then the name of the custom action you created earlier when the second
       dropdown appears. You can add additional "All" or "Any" conditions if desired.
       Also select when the rule should run (if not "Anytime") and enable it.</p>