[ReleasePR netapp] [NetApp]Remove throughputMibps from create request examples (#2765)

Create to sync Azure/azure-rest-api-specs#21907
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/main...azure-sdk:sdkAuto/netapp?expand=1)

Author: msftbot[bot]

schemas/2020-06-01/Microsoft.NetApp.json

@@ -549,7 +549,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2020-07-01/Microsoft.NetApp.json

@@ -571,7 +571,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2020-08-01/Microsoft.NetApp.json

@@ -571,7 +571,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2020-09-01/Microsoft.NetApp.json

@@ -585,7 +585,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2020-11-01/Microsoft.NetApp.json

@@ -626,7 +626,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2020-12-01/Microsoft.NetApp.json

@@ -627,7 +627,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2021-02-01/Microsoft.NetApp.json

@@ -627,7 +627,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2021-04-01/Microsoft.NetApp.json

@@ -641,7 +641,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2021-06-01/Microsoft.NetApp.json

@@ -641,7 +641,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"

schemas/2021-08-01/Microsoft.NetApp.json

@@ -723,7 +723,7 @@
         },
         "username": {
           "type": "string",
-          "description": "Username of Active Directory domain administrator"
+          "description": "A domain user account with permission to create machine accounts"
         }
       },
       "description": "Active Directory"