fix: Remove duplicate functions in epub-parsers.ts

Clean up duplicate implementations of resolvePath and
calculateTotalCharacters that were causing syntax errors.

web/src/reader/parsers/epub-parsers.ts

@@ -265,16 +265,6 @@ async function calculateTotalCharacters(spine: EbookCIF['spine'], resources: Map
   return total;
 }
 
-function resolvePath(basePath: string, relativePath: string): string {
-  const baseDir = basePath.substring(0, basePath.lastIndexOf('/') + 1);
-  return baseDir + relativePath;
-}
-    }
-  }
-
-  return total;
-}
-
 function generatePageBreaks(totalCharacters: number): number[] {
   const breaks: number[] = [];
   const charsPerPage = 1000; // Rough estimate