txscript: Remove low S verification flag. #1308
Merged
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This removes the
ScriptVerifyLowS
flag from thetxscript
package, changes the default semantics to always enforce its behavior and updates all callers in the repository accordingly.This change is being made to simplify the script engine code since the flag has always been active and required by consensus in Decred, so there is no need to require a flag to conditionally toggle it.