Remove api-version in recoveryservicebackup (Azure#11846)

Author: ArcturusZhang

specification/recoveryservicesbackup/resource-manager/readme.go.md

@@ -16,7 +16,6 @@ batch:
   - tag: package-2020-02
   - tag: package-2019-06
   - tag: package-2019-05
-  - tag: package-2017-07
   - tag: package-2016-12
   - tag: package-2016-06
 ```
@@ -48,15 +47,6 @@ Please also specify `--go-sdk-folder=<path to the root directory of your azure-s
 output-folder: $(go-sdk-folder)/services/recoveryservices/mgmt/2019-05-13/$(namespace)
 ```
 
-### Tag: package-2017-07 and go
-
-These settings apply only when `--tag=package-2017-07 --go` is specified on the command line.
-Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
-
-``` yaml $(tag)=='package-2017-07' && $(go)
-output-folder: $(go-sdk-folder)/services/recoveryservices/mgmt/2017-07-01/$(namespace)
-```
-
 ### Tag: package-2016-12 and go
 
 These settings apply only when `--tag=package-2016-12 --go` is specified on the command line.