Revert "[Release] Update index.json for extension [ dataprotection-1.5.6 ]"

This reverts commit 297a03b.

Author: bavneetsingh16

src/index.json

@@ -48669,48 +48669,6 @@
                     "version": "1.5.5"
                 },
                 "sha256Digest": "0ec629db2d8741df8f54d255bb225ea441e006e18673c0a0e4613065625570f9"
-            },
-            {
-                "downloadUrl": "https://azcliprod.blob.core.windows.net/cli-extensions/dataprotection-1.5.6-py3-none-any.whl",
-                "filename": "dataprotection-1.5.6-py3-none-any.whl",
-                "metadata": {
-                    "azext.minCliCoreVersion": "2.57.0",
-                    "classifiers": [
-                        "Development Status :: 4 - Beta",
-                        "Intended Audience :: Developers",
-                        "Intended Audience :: System Administrators",
-                        "Programming Language :: Python",
-                        "Programming Language :: Python :: 3",
-                        "Programming Language :: Python :: 3.6",
-                        "Programming Language :: Python :: 3.7",
-                        "Programming Language :: Python :: 3.8",
-                        "License :: OSI Approved :: MIT License"
-                    ],
-                    "extensions": {
-                        "python.details": {
-                            "contacts": [
-                                {
-                                    "email": "azpycli@microsoft.com",
-                                    "name": "Microsoft Corporation",
-                                    "role": "author"
-                                }
-                            ],
-                            "document_names": {
-                                "description": "DESCRIPTION.rst"
-                            },
-                            "project_urls": {
-                                "Home": "https://github.com/Azure/azure-cli-extensions/tree/main/src/dataprotection"
-                            }
-                        }
-                    },
-                    "generator": "bdist_wheel (0.30.0)",
-                    "license": "MIT",
-                    "metadata_version": "2.0",
-                    "name": "dataprotection",
-                    "summary": "Microsoft Azure Command-Line Tools DataProtectionClient Extension",
-                    "version": "1.5.6"
-                },
-                "sha256Digest": "563a94b8bfc249245eb32db1f930d932c34ab35d384725db82fb26b811657eb9"
             }
         ],
         "datashare": [