Update javascript/ql/test/query-tests/Security/CWE-078/UselessUseOfCat/uselesscat.js

Co-authored-by: Napalys Klicius <napalys@github.com>

Author: asgerf

javascript/ql/test/query-tests/Security/CWE-078/UselessUseOfCat/uselesscat.js

@@ -41,7 +41,7 @@ execSync(`cat ${newpath} > ${destpath}`).toString();
 
 execSync(`cat ${files.join(' ')} > ${outFile}`);
 
-execSync(`cat ${files.join(' ')}`); // $ SPURIOUS: Alert - - but flagged - not just a simple file read
+execSync(`cat ${files.join(' ')}`); // $ SPURIOUS: Alert - not just a simple file read
 
 exec("cat /proc/cpuinfo | grep name"); // OK - pipes