Cleanup .gitignore

.gitignore

@@ -1,20 +1,23 @@
-/target
-/classes
-/checkouts
-pom.xml.asc
-*.jar
+.classpath
+.clj-kondo/.cache
+.cpcache
+.eastwood
+.factorypath
+.java-version
+.lsp/sqlite.db
+.nrepl-port
+.project
+.rebel_readline_history
+.settings
+.socket-repl-port
+.sw*
 *.class
-/.cpcache
-/.eastwood
-/.lein-*
-/.lsp
-/.nrepl-history
-/.rebl
-/.nrepl-port
-/.rebel_readline_history
-/.socket-repl-port
-.hgignore
-.hg/
-/clojure_test*
-/example*db
+*.jar
+*.swp
+*~
+/classes
+/classes
+/clojure_test_*
+/cljs-test-runner-out
 /derby.log
+/target