Update specificationRepositoryConfiguration.json (Azure#18524)

Author: msyyc

specificationRepositoryConfiguration.json

@@ -29,11 +29,6 @@
       "mainRepository": "Azure/azure-sdk-for-net",
       "configFilePath": "eng/swagger_to_sdk_config.json"
     },
-    "azure-sdk-for-python": {
-      "integrationRepository": "AzureSDKAutomation/azure-sdk-for-python",
-      "mainRepository": "Azure/azure-sdk-for-python",
-      "mainBranch": "release/v3"
-    },
     "azure-sdk-for-python-track2": {
       "integrationRepository": "AzureSDKAutomation/azure-sdk-for-python",
       "mainRepository": "Azure/azure-sdk-for-python"
@@ -72,11 +67,6 @@
           "integrationRepository": "azure-sdk/azure-sdk-for-net-pr",
           "mainRepository": "Azure/azure-sdk-for-net-pr"
         },
-        "azure-sdk-for-python": {
-          "integrationRepository": "azure-sdk/azure-sdk-for-python-pr",
-          "mainRepository": "Azure/azure-sdk-for-python-pr",
-          "mainBranch": "release/v3"
-        },
         "azure-sdk-for-python-track2": {
           "integrationRepository": "azure-sdk/azure-sdk-for-python-pr",
           "mainRepository": "Azure/azure-sdk-for-python-pr"