Update specificationRepositoryConfiguration.json

Author: zhenglaizhang

specificationRepositoryConfiguration.json

@@ -49,20 +49,6 @@
           "integrationRepository": "test-repo-billy/azure-sdk-for-trenton",
           "mainRepository": "test-repo-billy/azure-sdk-for-trenton",
           "mainBranch": "secondary"
-        },
-         "azure-sdk-for-python-track2": {
-          "mainRepository": "openapi-env-test/azure-sdk-for-python",
-          "mainBranch": "python-track2-test"
-        },
-        "azure-resource-manager-schemas": {
-          "mainRepository": "openapi-env-test/azure-resource-manager-schemas"
-        },
-        "azure-sdk-for-net": {
-          "mainRepository": "openapi-env-test/azure-sdk-for-net"
-        },
-        "azure-sdk-for-go": {
-          "mainRepository": "openapi-env-test/azure-sdk-for-go",
-          "mainBranch": "separate-metadata-and-changelog"
         }
       }
     }