Revert "scripts: Add simpleeval to python-requirements.txt"

This reverts commit e54eb9fccd33dcd621057460188540fe0bc7ad23.

Reason for revert: capdl usage cleaned with https://spacebeaker-review.googlesource.com/c/shodan/3p/sel4/capdl/+/19880

Change-Id: Iadb03ae9d7bdfc55078db85fe8060f945294ba4e

python-requirements.txt

diff --git a/python-requirements.txt b/python-requirements.txt
index 343ffef..48a093d 100644
--- a/python-requirements.txt
+++ b/python-requirements.txt
@@ -12,6 +12,5 @@
 robotframework==4.0.1
 sel4-deps
 setuptools
-simpleeval
 tempita
 wget