Delete intellij files (#158)

* ignore intellij files

* delete temp files

Co-authored-by: Jayant Krishnamurthy <jkrishnamurthy@jumptrading.com>

Author: jayantk

.gitignore

@@ -5,3 +5,7 @@ target
 cmake-build-*
 Cargo.lock
 /venv
+
+# IntelliJ / CLion configuration
+.idea
+*.iml