nodegit: Fix no-redundant-jsdoc lint errors (#20897)

types/nodegit/ref-spec.d.ts

@@ -1,52 +1,8 @@
 export class Refspec {
-    /**
-     *
-     *
-     * @returns {number}
-     *
-     * @memberof Refspec
-     */
     direction(): number;
-    /**
-     *
-     *
-     * @returns {string}
-     *
-     * @memberof Refspec
-     */
     dst(): string;
-    /**
-     *
-     *
-     * @param {string} refname
-     * @returns {number}
-     *
-     * @memberof Refspec
-     */
     dstMatches(refname: string): number;
-    /**
-     *
-     *
-     * @returns {number}
-     *
-     * @memberof Refspec
-     */
     force(): number;
-    /**
-     *
-     *
-     * @returns {string}
-     *
-     * @memberof Refspec
-     */
     src(): string;
-    /**
-     *
-     *
-     * @param {string} refname
-     * @returns {number}
-     *
-     * @memberof Refspec
-     */
     srcMatches(refname: string): number;
 }