MongoDB Enterprise 2.4 shares same package name as 2.6+

Author: jmikola

.travis.yml

@@ -41,8 +41,7 @@ before_install:
   - sudo apt-get update -qq
 
 install:
-  - if dpkg --compare-versions ${SERVER_VERSION} le "2.4"; then export SERVER_PACKAGE=mongodb-10gen-enterprise; else export SERVER_PACKAGE=mongodb-enterprise; fi
-  - sudo apt-get install ${SERVER_PACKAGE}
+  - sudo apt-get install mongodb-enterprise
   - sudo apt-get -y install gdb
 
 before_script: