modules/db_cassandra Fixed 'Edited by' list in README

	Disapprove with the practice of making small syntax corrections in the
	documentation to appear in the 'Edited by' list.

modules/db_cassandra/README

@@ -10,12 +10,6 @@ Anca Vamanu
 
    <[email protected]>
 
-Edited by
-
-Alex Balashov
-
-   <[email protected]>
-
    Copyright © 2012 1&1 Internet AG
      __________________________________________________________________
 

modules/db_cassandra/doc/db_cassandra.xml

@@ -23,11 +23,6 @@
 				<surname>Vamanu</surname>
 				<email>[email protected]</email>
 			</editor>
-			<editor>
-				<firstname>Alex</firstname>
-				<surname>Balashov</surname>
-				<email>[email protected]</email>
-			</editor>
 		</authorgroup>
 		<copyright>
 			<year>2012</year>