remove extra whitespace in css

css/theme/source/beige.scss

@@ -1,6 +1,6 @@
 /**
  * Beige theme for reveal.js.
- * 
+ *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
 

css/theme/source/default.scss

@@ -1,6 +1,6 @@
 /**
  * Default theme for reveal.js.
- * 
+ *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
 

css/theme/source/night.scss

@@ -1,6 +1,6 @@
 /**
  * Black theme for reveal.js.
- * 
+ *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
 

css/theme/source/simple.scss

@@ -1,7 +1,7 @@
 /**
- * A simple theme for reveal.js presentations, similar 
+ * A simple theme for reveal.js presentations, similar
  * to the default theme. The accent color is darkblue.
- * 
+ *
  * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
  * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */

css/theme/source/sky.scss

@@ -1,6 +1,6 @@
 /**
  * Sky theme for reveal.js.
- * 
+ *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */