Fix lint errors: remove unused imports and avoid no-regex-spaces

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: no-chris

packages/chord-mark/tests/integration-public-api/parseSong-chords.spec.js

@@ -4,11 +4,6 @@ import {
 	singleChord,
 	multipleChords,
 	multipleBars,
-	barRepeat,
-	chordLineRepeat,
-	noChord,
-	subBeatGroup,
-	multipleSubBeatGroups,
 	positionedChords,
 } from './fixtures/songs';
 

packages/chord-mark/tests/integration-public-api/renderSong-sections.spec.js

@@ -144,7 +144,7 @@ describe('renderSong - sections', () => {
 				render(input, { autoRepeatChords: true, alignBars: false })
 			);
 			expect(text).toContain('|C  |G  |');
-			expect(text.match(/\|C  \|G  \|/g).length).toBe(2);
+			expect(text.match(/\|C {2}\|G {2}\|/g).length).toBe(2);
 		});
 
 		test('does not repeat chords when false', () => {