refactor(front) : retirer le bloc contact principal des ecrans client

Les 5 champs inline (nom, prenom, telephones, email) sont retires des ecrans
creation / consultation / modification du Client. Les coordonnees sont saisies
exclusivement dans l'onglet Contacts (ClientContactBlock). Types, mappeurs,
validations, payloads et cles i18n form.main.* associes nettoyes ; tests Vitest
clientEdit ajustes.

Ticket M1 2/3 (front), refonte-contact.

frontend/modules/commercial/pages/clients/[id]/edit.vue

@@ -29,16 +29,6 @@
                     :required="true"
                     :readonly="businessReadonly"
                 />
-                <MalioInputText
-                    v-model="main.lastName"
-                    :label="t('commercial.clients.form.main.lastName')"
-                    :readonly="businessReadonly"
-                />
-                <MalioInputText
-                    v-model="main.firstName"
-                    :label="t('commercial.clients.form.main.firstName')"
-                    :readonly="businessReadonly"
-                />
                 <MalioSelectCheckbox
                     :model-value="main.categoryIris"
                     :options="mainCategoryOptions"
@@ -47,30 +37,6 @@
                     :disabled="businessReadonly"
                     @update:model-value="(v: (string | number)[]) => main.categoryIris = v.map(String)"
                 />
-                <MalioInputPhone
-                    v-model="main.phonePrimary"
-                    :label="t('commercial.clients.form.main.phonePrimary')"
-                    :mask="PHONE_MASK"
-                    :required="true"
-                    :readonly="businessReadonly"
-                    add-icon-name="mdi:plus"
-                    :addable="!main.hasSecondaryPhone && !businessReadonly"
-                    :add-button-label="t('commercial.clients.form.main.addPhone')"
-                    @add="main.hasSecondaryPhone = true"
-                />
-                <MalioInputPhone
-                    v-if="main.hasSecondaryPhone"
-                    v-model="main.phoneSecondary"
-                    :label="t('commercial.clients.form.main.phoneSecondary')"
-                    :mask="PHONE_MASK"
-                    :readonly="businessReadonly"
-                />
-                <MalioInputEmail
-                    v-model="main.email"
-                    :label="t('commercial.clients.form.main.email')"
-                    :required="true"
-                    :readonly="businessReadonly"
-                />
                 <MalioSelect
                     :model-value="main.relationType"
                     :options="relationOptions"
@@ -424,7 +390,6 @@ import {
 import { extractApiErrorMessage } from '~/shared/utils/api'
 
 // Masques de saisie (la normalisation finale reste serveur).
-const PHONE_MASK = '## ## ## ## ##'
 const SIREN_MASK = '#########'
 const EMPLOYEES_MASK = '#######'
 
@@ -620,9 +585,6 @@ const isMainValid = computed(() => {
         || (main.relationType === 'distributeur' && filled(main.distributorIri))
         || (main.relationType === 'courtier' && filled(main.brokerIri))
     return filled(main.companyName)
-        && filled(main.email)
-        && filled(main.phonePrimary)
-        && (filled(main.firstName) || filled(main.lastName))
         && main.categoryIris.length >= 1
         && relationValid
 })