modify changelog (#12071)

* modify changelog

* modify changelog

Author: changlong-liu

sdk/appconfiguration/azure-mgmt-appconfiguration/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 1.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 0.4.0 (https://pypi.org/project/azure-mgmt-appconfiguration/0.4.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).
 

sdk/compute/azure-mgmt-compute/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 17.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 12.0.0 (https://pypi.org/project/azure-mgmt-compute/12.0.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).
 

sdk/eventhub/azure-mgmt-eventhub/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 8.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 3.1.0 (https://pypi.org/project/azure-mgmt-eventhub/3.1.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).
 

sdk/monitor/azure-mgmt-monitor/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 1.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 0.9.0 (https://pypi.org/project/azure-mgmt-monitor/0.9.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).
 

sdk/network/azure-mgmt-network/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 15.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 10.2.0 (https://pypi.org/project/azure-mgmt-network/10.2.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).
 

sdk/resources/azure-mgmt-resource/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 15.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 10.0.0 (https://pypi.org/project/azure-mgmt-resource/10.0.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).
 

sdk/storage/azure-mgmt-storage/CHANGELOG.md

@@ -3,7 +3,6 @@
 ## 15.0.0b1 (2020-06-17)
 
 This is beta preview version.
-For detailed changelog please refer to equivalent stable version 10.0.0 (https://pypi.org/project/azure-mgmt-storage/10.0.0/)
 
 This version uses a next-generation code generator that introduces important breaking changes, but also important new features (like unified authentication and async programming).