Remove the IntelliJ and SBT entries as they are not used

Author: s5bug

_data/downloads.yml

@@ -7,23 +7,3 @@ stepOne:
     text: "<p><code>java -version</code><span>(Make sure you have version 1.8.)</span></p>"
   - os: windows
     text: "<p><ul><li>Launch the Windows Start menu</li><li>Click on <code>Programs</code></li><li>Find the <code>Java</code> program listing</li><li>Click <code>About Java</code> to see the Java version</li></ul></p>"
-
-intellijUrls:
-  - os: linux
-    url: https://www.jetbrains.com/idea
-  - os: unix
-    url: https://www.jetbrains.com/idea
-  - os: macos
-    url: https://www.jetbrains.com/idea
-  - os: windows
-    url: https://www.jetbrains.com/idea
-
-sbtUrls: 
-  - os: linux
-    url: https://www.scala-sbt.org/download.html
-  - os: unix
-    url: https://www.scala-sbt.org/download.html
-  - os: macos
-    url: https://www.scala-sbt.org/download.html
-  - os: windows
-    url: https://www.scala-sbt.org/download.html