Revert "Update .gitignore"

This reverts commit 4a11aeb7fe.

.idea/.gitignore

@@ -1,31 +1,2 @@
-
-# Created by https://www.gitignore.io/api/java
-# Edit at https://www.gitignore.io/?templates=java
-
-### Java ###
-# Compiled class file
-*.class
-
-# Log file
-*.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-
-# End of https://www.gitignore.io/api/java
-/workspace.xml
+# Default ignored files
+/workspace.xml