Remove the ESLint "amd" environment (PR 17055 follow-up)

Please see https://eslint.org/docs/latest/use/configure/language-options#specifying-environments

.eslintrc

@@ -22,7 +22,6 @@
     "browser": true,
     "es2022": true,
     "worker": true,
-    "amd": true,
   },
 
   "globals": {

src/pdf.worker.entry.js

@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* globals require:readonly */
 /* eslint-disable import/no-commonjs */
 
 (typeof window !== "undefined"