Clean up unused openfisca variables as headers in LawEdit

src/lib/components/budget/LawEdit.svelte

 <script lang="ts">
   import { session } from "$app/stores"
-  import { getContext } from "svelte"
 
   import type { NumberValue, ValueParameter } from "@openfisca/json-model"
   import { mergeParameters, ParameterClass } from "@openfisca/json-model"
 
-  import VariableHeader from "$lib/components/variables/VariableHeader.svelte"
   import VariableReferredNodeParameter from "$lib/components/variables/VariableReferredNodeParameter.svelte"
   import VariableReferredScaleParameter from "$lib/components/variables/VariableReferredScaleParameter.svelte"
   import VariableReferredValueParameter from "$lib/components/variables/VariableReferredValueParameter.svelte"
@@ -17,11 +15,9 @@
 
   const budgetConfig = $session.budget
   const CALCULATION_BASE_YEAR = budgetConfig.calculationBaseYear
-
-  // const year = getContext("year")
+  const date = CALCULATION_BASE_YEAR + "-01-01"
 
   //Concatenating the parameters by parent node:
-  const date = CALCULATION_BASE_YEAR + "-01-01"
 
   // Code sécurité sociale - taux global 9,2% : https://www.legifrance.gouv.fr/codes/id/LEGISCTA000006173099/
   // -> non utilisé car on ne saurait pas s'il faut appliquer la réforme à la part déductible ou imposable
@@ -42,23 +38,14 @@
 
   const decomposition = undefined // For decomposition variables unexisting in openfisca model.
 
-  //Calling variableSummaryByName to get all model variable content but its formula:
-  $: csg = variableSummaryByName["csg"]
-  // Code sécurité sociale - institution CSG + qui : https://www.legifrance.gouv.fr/codes/article_lc/LEGIARTI000033712581/
-
-  $: csg_imposable_salaire = variableSummaryByName["csg_imposable_salaire"]
-  $: csg_deductible_salaire = variableSummaryByName["csg_deductible_salaire"]
-
   //Si paramètre nb pss réformé alors : const reform = getContext("reform") as Writable<Reform>
   const pss = (
     (
       getParameter(
         "prelevements_sociaux.pss.plafond_securite_sociale_annuel",
       ) as ValueParameter
-    ).values["2021-01-01"] as NumberValue
-  ).value //TODO check date update and role
-
-  console.log("pss", pss)
+    ).values[date] as NumberValue
+  ).value
 
   function getContributionParameterSuffix(parameterName) {
     const CONTRIBUTION_PREFIX = "prelevements_sociaux.contributions_sociales."
@@ -226,7 +213,6 @@
     >
       Part CSG imposable
     </h1>
-    <!-- <VariableHeader {decomposition} variable={csg_imposable_salaire} /> -->
     <h2>
       <ul class="mr-5">
         <!-- Get parameter by name and date. -->
@@ -252,7 +238,6 @@
       >
         Part CSG déductible
       </h1>
-      <!-- <VariableHeader {decomposition} variable={csg_deductible_salaire} /> -->
       <ul class="mr-5">
         <!-- Get parameter by name and date. -->
         {#each Object.values(rootParameterDeductibleById).sort( (parameter1, parameter2) => (parameter1.class === parameter2.class || (parameter1.class !== ParameterClass.Node && parameter2.class !== ParameterClass.Node) ? parameter1.title.localeCompare(parameter2.title) : parameter1.class === ParameterClass.Node ? 1 : -1), ) as parameter}