fix: MD010/no-hard-tabs (Azure#6985)

Remove hard tabs

Author: nschonni

specification/compute/resource-manager/readme.md

@@ -133,7 +133,7 @@ directive:
   - where:
       - $.definitions.DedicatedHostUpdate
     suppress:
-      - RequiredPropertiesMissingInResourceModel	  
+      - RequiredPropertiesMissingInResourceModel
 
   - where:
       - $.definitions.VirtualMachineScaleSetVM

specification/machinelearningservices/data-plane/readme.md

@@ -45,7 +45,7 @@ directive:
     reason: Not a Long Running Operation
   - from: hyperdrive.json
     suppress: DefinitionsPropertiesNamesCamelCase
-    reason: Existing service; would be a breaking change	
+    reason: Existing service; would be a breaking change
 ```
 
 ### Tag: package-2019-08-preview