Remove unused type import

Author: James-Yu

src/parse/parser/unified.ts

@@ -3,7 +3,6 @@ import type * as Ast from '@unified-latex/unified-latex-types'
 // import { getParser } from '@unified-latex/unified-latex-util-parse'
 // import { attachMacroArgs } from '@unified-latex/unified-latex-util-arguments'
 import { bibtexParser } from 'latex-utensils'
-import type { SyntaxError } from 'latex-utensils/out/types/src/pegjs/pegjs_types.js'
 
 // @ts-expect-error Load unified.js from /out/src/...
 import { getParser, attachMacroArgs } from '../../../../resources/unified.js'