[AutoPR sdk/network/mgmt-v2019_09_01] Remove masterCustomIpPrefix resource from Network-June-Release (does not affect current master branch)#3591

openapi-sdkautomation[bot] wants to merge 2 commits intosdkAutomation/sdk_network_mgmt-v2019_09_01AzureSDKAutomation/azure-sdk-for-java:sdkAutomation/sdk_network_mgmt-v2019_09_01from

sdkAutomation/sdk_network_mgmt-v2019_09_01@10338AzureSDKAutomation/azure-sdk-for-java:sdkAutomation/sdk_network_mgmt-v2019_09_01@10338Copy head branch name to clipboard