refactor(frontend) : remove per-project statuses page and sidebar link

frontend/pages/projects/[id]/statuses.vue

@@ -1,32 +0,0 @@
-<template>
-    <div>
-        <div class="flex items-center justify-between">
-            <h1 class="text-2xl font-bold text-primary-500">{{ project?.name ?? '' }} — Statuts</h1>
-        </div>
-
-        <div class="mt-6">
-            <ProjectStatusTab :project-id="projectId" />
-        </div>
-    </div>
-</template>
-
-<script setup lang="ts">
-import type { Project } from '~/services/dto/project'
-import { useProjectService } from '~/services/projects'
-
-const route = useRoute()
-const projectId = computed(() => Number(route.params.id))
-
-useHead({ title: 'Statuts du projet' })
-
-const projectService = useProjectService()
-const project = ref<Project | null>(null)
-
-async function loadProject() {
-    project.value = await projectService.getById(projectId.value)
-}
-
-onMounted(() => {
-    loadProject()
-})
-</script>