Remove Phoenix and notebooks (Phase 6)

Complete the final removal phase by deleting Juno and analytical schema integration, residual Phoenix and notebook contracts, configuration, localization, and assets. Preserve CloudShell behavior and numeric compatibility contracts while cleaning stale UI terminology.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 8730a951-831c-4cc2-9c91-83e237683d46

src/Localization/zh-Hant/Resources.json

@@ -103,7 +103,6 @@
       "learningResources": "學習資源",
       "nextSteps": "後續步驟",
       "tipsAndLearnMore": "提示與深入了解",
-      "notebook": "筆記本",
       "needHelp": "是否需要協助?"
     },
     "top3Items": {
@@ -664,34 +663,6 @@
       "uploadStatus": "{{numSucceeded}} 個已建立，{{numThrottled}} 個已節流，{{numFailed}} 個錯誤",
       "uploadedFiles": "上傳的檔案"
     },
-    "copyNotebook": {
-      "copyFailedError": "無法將 {{name}} 複製到 {{destination}}",
-      "uploadFailedError": "無法上傳 {{name}}",
-      "location": "位置",
-      "locationAriaLabel": "位置",
-      "selectLocation": "選取要複製的筆記本位置",
-      "name": "名稱"
-    },
-    "publishNotebook": {
-      "publishFailedError": "無法將 {{notebookName}} 發佈至資源庫",
-      "publishDescription": "發佈後，此筆記本會出現在 Azure Cosmos DB 筆記本公用資源庫中。發佈前，請確定已移除任何敏感性資料或輸出。",
-      "publishPrompt": "您是否要發佈並共用 \"{{name}}\" 至資源庫?",
-      "coverImage": "封面影像",
-      "coverImageUrl": "封面影像 URL",
-      "name": "名稱",
-      "description": "描述",
-      "tags": "標籤",
-      "tagsPlaceholder": "選用標記 1，選用標記 2",
-      "preview": "預覽",
-      "urlType": "URL",
-      "customImage": "自訂映像",
-      "takeScreenshot": "擷取螢幕擷取畫面",
-      "useFirstDisplayOutput": "使用第一個顯示輸出",
-      "failedToCaptureOutput": "無法擷取第一個輸出",
-      "outputDoesNotExist": "任何儲存格的輸出都不存在。",
-      "failedToConvertError": "無法將 {{fileName}} 轉換為 base64 格式",
-      "failedToUploadError": "無法上傳 {{fileName}}"
-    },
     "changePartitionKey": {
       "failedToStartError": "無法啟動資料傳輸工作",
       "suboptimalPartitionKeyError": "警告: 系統偵測到您的集合可能在使用次佳的資料分割索引鍵",