[api-major] Remove the SVG back-end (PR 15173 follow-up)

This has been deprecated since version `2.15.349`, which is a year ago.
Removing this will also simplify some upcoming changes, specifically outputting of JavaScript modules in the builds.

src/display/api.js

@@ -73,7 +73,6 @@ import { PDFDataTransportStream } from "./transport_stream.js";
 import { PDFFetchStream } from "display-fetch_stream";
 import { PDFNetworkStream } from "display-network";
 import { PDFNodeStream } from "display-node_stream";
-import { SVGGraphics } from "display-svg";
 import { XfaText } from "./xfa_text.js";
 
 const DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536
@@ -3468,6 +3467,5 @@ export {
   PDFWorker,
   PDFWorkerUtil,
   RenderTask,
-  SVGGraphics,
   version,
 };

src/display/stubs.js

@@ -21,7 +21,6 @@ const NullL10n = null;
 const PDFFetchStream = null;
 const PDFNetworkStream = null;
 const PDFNodeStream = null;
-const SVGGraphics = null;
 
 export {
   NodeCanvasFactory,
@@ -32,5 +31,4 @@ export {
   PDFFetchStream,
   PDFNetworkStream,
   PDFNodeStream,
-  SVGGraphics,
 };

src/pdf.js

@@ -50,7 +50,6 @@ import {
   getDocument,
   PDFDataRangeTransport,
   PDFWorker,
-  SVGGraphics,
   version,
 } from "./display/api.js";
 import {
@@ -119,7 +118,6 @@ export {
   renderTextLayer,
   setLayerDimensions,
   shadow,
-  SVGGraphics,
   UnexpectedResponseException,
   updateTextLayer,
   Util,