feat(experimental-utils): remove getComments from ESLint SourceCode types (#3766)

Author: Josh Goldberg

packages/experimental-utils/src/ts-eslint/SourceCode.ts

@@ -245,15 +245,6 @@ declare class SourceCodeBase extends TokenStore {
    * @returns An array of comment nodes.
    */
   getAllComments(): TSESTree.Comment[];
-  /**
-   * Gets all comments for the given node.
-   * @param node The AST node to get the comments for.
-   * @returns An object containing a leading and trailing array of comments indexed by their position.
-   */
-  getComments(node: TSESTree.Node): {
-    leading: TSESTree.Comment[];
-    trailing: TSESTree.Comment[];
-  };
   /**
    * Converts a (line, column) pair into a range index.
    * @param loc A line/column location