Retire fonction inutile et baisse la tonalité de la couleur

src/lib/components/legislation_view/parameters/VariableReferredParameters.svelte

@@ -149,13 +149,6 @@
   let openOtherParameters = $state(true)
   let openAllParameters = $state(true)
   let loadingAllParameters = $state(false)
-
-  async function toggleOpenAllParameters() {
-    loadingAllParameters = true
-    await new Promise((resolve) => setTimeout(resolve, 500))
-    openAllParameters = !openAllParameters
-    loadingAllParameters = false
-  }
 </script>
 
 {#if billDecomposition !== undefined || billVariable !== undefined}
@@ -247,7 +240,7 @@
           <button
             aria-label="Ouvrir tout"
             title="Ouvrir tout"
-            class="flex cursor-pointer items-center bg-white text-xs uppercase tracking-wide text-neutral-500 hover:text-le-gris-dispositif-dark"
+            class="flex cursor-pointer items-center bg-white text-xs uppercase tracking-wide text-neutral-400 hover:text-le-gris-dispositif-dark"
             disabled={openAllParameters}
             onclick={async () => {
               loadingAllParameters = true
@@ -264,7 +257,7 @@
           <button
             aria-label="Fermer tout"
             title="Fermer tout"
-            class="flex cursor-pointer items-center bg-white text-xs uppercase tracking-wide text-neutral-500 hover:text-le-gris-dispositif-dark"
+            class="flex cursor-pointer items-center bg-white text-xs uppercase tracking-wide text-neutral-400 hover:text-le-gris-dispositif-dark"
             disabled={!openAllParameters}
             onclick={async () => {
               loadingAllParameters = true