message: Clean out some dead code
diff: import { BulkFileHandle, Disposable, ViewerMetadata, FindOptions, FindStartPosition } from 'extraterm-extension-api';
  import {WebComponent} from 'extraterm-web-component-decorators';
  import { ExtratermAceEditor, TerminalRenderer } from "extraterm-ace-terminal-renderer";
  -import { Command, DefaultCommands, Document, Editor, EditSession, MultiSelectCommands, ModeList, Renderer, Position, UndoManager } from "ace-ts";
  +import { Command, DefaultCommands, Document, Editor, EditSession, MultiSelectCommands, ModeList, Position,
  + UndoManager } from "ace-ts";
  import {Logger, getLogger} from "extraterm-logging";
  import { log } from "extraterm-logging";
  @@ -49,12 +50,6 @@ const OVERSIZE_LINE_HEIGHT_COMPENSATION_HACK = 1; // px
  const NO_STYLE_HACK = "NO_STYLE_HACK";
  const DEBUG_RESIZE = false;
  -let cssText: string = null;
  -
  -function getCssText(): string {
  - return cssText;
  -}
  -
  @WebComponent({tag: "et-text-viewer"})
  export class TextViewer extends ViewerElement implements SupportsClipboardPaste.SupportsClipboardPaste,
  @@ -633,8 +628,6 @@ export class TextViewer extends ViewerElement implements SupportsClipboardPaste.
  .terminal {
  font-family: sans-serif, ${NO_STYLE_HACK};
  }
  -
  - ${getCssText()}
  </style>
  <style id="${ID_CSS_VARS}">${this._getCssVarsRules()}</style>
  <style id="${ThemeableElementBase.ID_THEME}"></style>
  