remove redundant getACall()

Co-authored-by: Asger F <asgerf@github.com>

Author: erik-krogh

javascript/ql/src/semmle/javascript/security/dataflow/TaintedPathCustomizations.qll

@@ -690,7 +690,6 @@ module TaintedPath {
       this =
         API::moduleImport("read-pkg")
             .getMember(["readPackageAsync", "readPackageSync"])
-            .getACall()
             .getParameter(0)
             .getMember("cwd")
             .getARhs()