Revert "C++: Rewrite cpp/cgi-xss
to not use default taint tracking"
#14416
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This reverts commit b6132d2.
Temporarily revert the
cpp/cgi-xss
rewrite. The rewrite is looking at expressions instead of indirect expressions, which makes more sense since we are interested in the value being returned fromgetenv
. I fix this in a follow-up PR, but I don't want to leave this around in the mean time.