fix(eslint-plugin): [explicit-module-boundary-types] remove shouldTrackReferences option from schema (#5399)

Author: JoshuaKGoldberg

packages/eslint-plugin/src/rules/explicit-module-boundary-types.ts

@@ -22,7 +22,6 @@ type Options = [
     allowedNames?: string[];
     allowHigherOrderFunctions?: boolean;
     allowTypedFunctionExpressions?: boolean;
-    shouldTrackReferences?: boolean;
   },
 ];
 type MessageIds =
@@ -85,10 +84,6 @@ export default util.createRule<Options, MessageIds>({
               'Whether to ignore type annotations on the variable of a function expresion.',
             type: 'boolean',
           },
-          // DEPRECATED - To be removed in next major
-          shouldTrackReferences: {
-            type: 'boolean',
-          },
         },
         additionalProperties: false,
       },