message: Remove CBanEntry::SetNull
diff: @@ -19,21 +19,15 @@ class CDataStream;
  class CBanEntry
  {
  public:
  - static const int CURRENT_VERSION=1;
  - int nVersion;
  - int64_t nCreateTime;
  - int64_t nBanUntil;
  + static constexpr int CURRENT_VERSION{1};
  + int nVersion{CBanEntry::CURRENT_VERSION};
  + int64_t nCreateTime{0};
  + int64_t nBanUntil{0};
  - CBanEntry()
  - {
  - SetNull();
  - }
  + CBanEntry() {}
  explicit CBanEntry(int64_t nCreateTimeIn)
  - {
  - SetNull();
  - nCreateTime = nCreateTimeIn;
  - }
  + : nCreateTime{nCreateTimeIn} {}
  /**
  * Create a ban entry from JSON.
  @@ -42,13 +36,6 @@ public:
  */
  explicit CBanEntry(const UniValue& json);
  - void SetNull()
  - {
  - nVersion = CBanEntry::CURRENT_VERSION;
  - nCreateTime = 0;
  - nBanUntil = 0;
  - }
  -
  /**
  * Generate a JSON representation of this ban entry.
  * @return JSON suitable for passing to the `CBanEntry(const UniValue&)` constructor.
  