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/psbt.h b/src/psbt.h
index b566726ee3..319eb48cb0 100644
--- a/src/psbt.h
+++ b/src/psbt.h
@@ -7,7 +7,7 @@
 
 #include <attributes.h>
 #include <node/transaction.h>
-#include <optional.h>
+#include <optional>
 #include <policy/feerate.h>
 #include <primitives/transaction.h>
 #include <pubkey.h>
@@ -389,7 +389,7 @@ struct PSBTOutput
 /** A version of CTransaction with the PSBT format*/
 struct PartiallySignedTransaction
 {
-    Optional<CMutableTransaction> tx;
+    std::optional<CMutableTransaction> tx;
     std::vector<PSBTInput> inputs;
     std::vector<PSBTOutput> outputs;
     std::map<std::vector<unsigned char>, std::vector<unsigned char>> unknown;