resources: Removing unused .gitignore

Change-Id: I6ea87cdb19ef6940afefcb56cdef1d629cded1c1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-resources/+/32176
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index a67107b..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-output
-__pycache__/