Everywhere: Rename {Deprecated => Byte}String

This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).

This commit is auto-generated:
  $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
    Meta Ports Ladybird Tests Kernel)
  $ perl -pie 's/\bDeprecatedString\b/ByteString/g;
    s/deprecated_string/byte_string/g' $xs
  $ clang-format --style=file -i \
    $(git diff --name-only | grep \.cpp\|\.h)
  $ gn format $(git ls-files '*.gn' '*.gni')

Userland/Games/Hearts/Game.cpp

@@ -147,7 +147,7 @@ void Game::show_score_card(bool game_over)
     title_builder.append("Score Card"sv);
     if (game_over)
         title_builder.append(" - Game Over"sv);
-    score_dialog->set_title(title_builder.to_deprecated_string());
+    score_dialog->set_title(title_builder.to_byte_string());
 
     RefPtr<Core::Timer> close_timer;
     if (!m_players[0].is_human) {
@@ -160,7 +160,7 @@ void Game::show_score_card(bool game_over)
     score_dialog->exec();
 }
 
-void Game::setup(DeprecatedString player_name, int hand_number)
+void Game::setup(ByteString player_name, int hand_number)
 {
     m_players[0].name = move(player_name);
 
@@ -619,7 +619,7 @@ void Game::play_card(Player& player, size_t card_index)
         0);
 }
 
-bool Game::is_valid_play(Player& player, Card& card, DeprecatedString* explanation) const
+bool Game::is_valid_play(Player& player, Card& card, ByteString* explanation) const
 {
     // First card must be 2 of Clubs.
     if (m_trick_number == 0 && m_trick.is_empty()) {
@@ -692,7 +692,7 @@ void Game::card_clicked_during_passing(size_t, Card& card)
 
 void Game::card_clicked_during_play(size_t card_index, Card& card)
 {
-    DeprecatedString explanation;
+    ByteString explanation;
     if (!is_valid_play(m_players[0], card, &explanation)) {
         if (m_inverted_card)
             m_inverted_card->set_inverted(false);

Userland/Games/Hearts/Game.h

@@ -26,7 +26,7 @@ public:
 
     virtual ~Game() override = default;
 
-    void setup(DeprecatedString player_name, int hand_number = 0);
+    void setup(ByteString player_name, int hand_number = 0);
 
     Function<void(String const&)> on_status_change;
 
@@ -41,7 +41,7 @@ private:
 
     void play_card(Player& player, size_t card_index);
     bool are_hearts_broken() const;
-    bool is_valid_play(Player& player, Card& card, DeprecatedString* explanation = nullptr) const;
+    bool is_valid_play(Player& player, Card& card, ByteString* explanation = nullptr) const;
     void let_player_play_card();
     void continue_game_after_delay(int interval_ms = 750);
     void advance_game();

Userland/Games/Hearts/Player.h

@@ -55,7 +55,7 @@ public:
     Gfx::IntRect name_position;
     Gfx::TextAlignment name_alignment;
     Gfx::IntPoint taken_cards_target;
-    DeprecatedString name;
+    ByteString name;
     bool is_human { false };
 };
 

Userland/Games/Hearts/ScoreCard.cpp

@@ -70,7 +70,7 @@ void ScoreCard::paint_event(GUI::PaintEvent& event)
             text_color);
         for (int score_index = 0; score_index < (int)player.scores.size(); score_index++) {
             auto text_rect = cell_rect(player_index, 1 + score_index);
-            auto score_text = DeprecatedString::formatted("{}", player.scores[score_index]);
+            auto score_text = ByteString::formatted("{}", player.scores[score_index]);
             auto score_text_width = font.width_rounded_up(score_text);
             if (score_index != (int)player.scores.size() - 1) {
                 painter.draw_line(

Userland/Games/Hearts/SettingsDialog.cpp

@@ -10,7 +10,7 @@
 #include <LibGUI/Label.h>
 #include <LibGUI/TextBox.h>
 
-SettingsDialog::SettingsDialog(GUI::Window* parent, DeprecatedString player_name)
+SettingsDialog::SettingsDialog(GUI::Window* parent, ByteString player_name)
     : GUI::Dialog(parent)
     , m_player_name(move(player_name))
 {

Userland/Games/Hearts/SettingsDialog.h

@@ -12,10 +12,10 @@
 class SettingsDialog : public GUI::Dialog {
     C_OBJECT(SettingsDialog)
 public:
-    DeprecatedString const& player_name() const { return m_player_name; }
+    ByteString const& player_name() const { return m_player_name; }
 
 private:
-    SettingsDialog(GUI::Window* parent, DeprecatedString player_name);
+    SettingsDialog(GUI::Window* parent, ByteString player_name);
 
-    DeprecatedString m_player_name { "Gunnar" };
+    ByteString m_player_name { "Gunnar" };
 };

Userland/Games/Hearts/main.cpp

@@ -59,7 +59,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto& statusbar = *widget->find_descendant_of_type_named<GUI::Statusbar>("statusbar");
     statusbar.set_text(0, "Score: 0"_string);
 
-    DeprecatedString player_name = Config::read_string("Hearts"sv, ""sv, "player_name"sv, "Gunnar"sv);
+    ByteString player_name = Config::read_string("Hearts"sv, ""sv, "player_name"sv, "Gunnar"sv);
 
     game.on_status_change = [&](String const& status) {
         statusbar.set_override_text(status);