Fix some rogue Unicode characters in license and attribution

Author: chastell

source/localizable/_code-of-conduct.en.md

@@ -67,7 +67,7 @@ Scope
 We expect all community participants (contributors, paid or otherwise; sponsors; and other guests) to abide by this Code of Conduct in all community venues—online and in-person—as well as in all one-on-one communications pertaining to community business.
 
 
-License‭ ‬and‭ ‬attribution
+License and attribution
 -----------------------
 
-Berlin Code of Conduct is distributed under a Creative Commons Attribution-ShareAlike license. It is based on the [pdx.rb code of conduct](http://pdxruby.org/codeofconduct), which is distributed under the same license.
+Berlin Code of Conduct is distributed under a Creative Commons Attribution-ShareAlike license. It is based on the [pdx.rb code of conduct](http://pdxruby.org/codeofconduct), which is distributed under the same license.