Remove trailing spaces in docs

docs/metrics/create-metric.md

@@ -1,6 +1,6 @@
 # Create a metric
 
-This documentation will guide you through the metric creation.  
+This documentation will guide you through the metric creation.
 You need to know [what is a metric][1].
 
 ## Filling the form
@@ -14,7 +14,7 @@ To access to the metrics creation, follow these steps:
 - Once on the Dashboard click `Metrics` in the sidebar.
 - Click the `Create a metric` button.
 
-And you are there! You should be able to see the metric form.  
+And you are there! You should be able to see the metric form.
 Let's explain the fields:
 
 - `Name`: The name of the metric as it will be shown on the status page.

docs/metrics/index.md

@@ -14,11 +14,11 @@ about what you are monitoring to Cachet.
 
 ## What can do metrics for you
 
-Having good metrics to show may be great for customers or partners.  
+Having good metrics to show may be great for customers or partners.
 
 You have a big webservice that is under pressure? So it's important to have a
 short response time. A metric could show to your users that the webservice is
-responding fast!  
+responding fast!
 Imagine, you have a metric named "Response time". Every 10 seconds you call your
 webservice, and send the response time to the Cachet's API, in the metric. On
 your status page you'll be able to see the average response time for a minute