message: Remove this old `decLocator` thing
diff: @@ -39,7 +39,6 @@ export class MouseEncoder {
  mouseEvents = false;
  utfMouse = false;
  - decLocator = false;
  urxvtMouse = false;
  sgrMouse = false;
  @@ -250,18 +249,6 @@ export class MouseEncoder {
  #computeMouseSequence(button: number, pos0based: TerminalCoord, buttonState: ButtonState): string {
  const pos: TerminalCoord = { x: pos0based.x + 1, y: pos0based.y + 1 };
  - if (this.decLocator) {
  - // NOTE: Unstable.
  - this._log.debug("sendEvent with decLocator is not implemented!");
  -
  - // const x = pos.x;
  - // const y = pos.y;
  - // const translatedButton = {0:2, 1:4, 2:6, 3:3}[button & 3];
  - // self.send('\x1b[' + translatedButton + ';' + (translatedButton === 3 ? 4 : 0) + ';' + y + ';' + x + ';' +
  - // (pos.page || 0) + '&w');
  - return null;
  - }
  -
  if (this.urxvtMouse) {
  const x = pos.x;
  const y = pos.y;
  