scripted-diff: remove Optional & nullopt

-BEGIN VERIFY SCRIPT-
git rm src/optional.h

sed -i -e 's/Optional</std::optional</g' $(git grep -l 'Optional<' src)

sed -i -e 's/{nullopt}/{std::nullopt}/g' $(git grep -l 'nullopt' src)
sed -i -e 's/ nullopt;/ std::nullopt;/g' $(git grep -l 'nullopt' src)
sed -i -e 's/ nullopt)/ std::nullopt)/g' $(git grep -l 'nullopt' src)
sed -i -e 's/(nullopt)/(std::nullopt)/g' $(git grep -l 'nullopt' src)
sed -i -e 's/ nullopt,/ std::nullopt,/g' $(git grep -l 'nullopt' src)
sed -i -e 's/? nullopt :/? std::nullopt :/g' $(git grep -l 'nullopt' src)
sed -i -e 's/: nullopt}/: std::nullopt}/g' $(git grep -l 'nullopt' src)

sed -i -e '/optional.h \\/d' src/Makefile.am

sed -i -e '/#include <optional.h>/d' src/test/fuzz/autofile.cpp src/test/fuzz/buffered_file.cpp src/test/fuzz/node_eviction.cpp

sed -i -e 's/#include <optional.h>/#include <optional>/g' $(git grep -l '#include <optional.h>' src)
-END VERIFY SCRIPT-

1 files changed, 2 insertions, 2 deletions

diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp
index 167242a971..4509d0b68c 100644
--- a/src/test/net_tests.cpp
+++ b/src/test/net_tests.cpp
@@ -9,7 +9,7 @@
 #include <cstdint>
 #include <net.h>
 #include <netbase.h>
-#include <optional.h>
+#include <optional>
 #include <serialize.h>
 #include <span.h>
 #include <streams.h>
@@ -827,7 +827,7 @@ std::vector<NodeEvictionCandidate> GetRandomNodeEvictionCandidates(const int n_c
 bool IsEvicted(std::vector<NodeEvictionCandidate> candidates, const std::vector<NodeId>& node_ids, FastRandomContext& random_context)
 {
     Shuffle(candidates.begin(), candidates.end(), random_context);
-    const Optional<NodeId> evicted_node_id = SelectNodeToEvict(std::move(candidates));
+    const std::optional<NodeId> evicted_node_id = SelectNodeToEvict(std::move(candidates));
     if (!evicted_node_id) {
         return false;
     }