fix: remove duplicate border on jumplinks accordion header

Author: heyMP

elements/pfe-jump-links/src/pfe-jump-links-nav.scss

@@ -210,6 +210,7 @@ pfe-accordion {
   pfe-accordion-panel {
     // hide accordion left border:
     border-left-color: transparent;
+    border-right: none;
   }
 
   // 0 -> LG breakpoint

elements/pfe-sass/mixins/_components.scss

@@ -88,7 +88,7 @@
 @mixin pfe-accordion-props($variant: default) {
   margin: 0;
   width: pfe-local(Width, 100%);
-  max-width: calc(100% - #{pfe-var(surface--border-width--heavy)});
+  max-width: calc(100%);
   height: auto;
   position: relative;