Remove FromJSON functions (Part 1) (#17961)

* Remove FromJSON functions (Part 1)

```release-note
Removed the following functions:
AccessDataFromJson
AccessResponseFromJson
AnalyticsRowFromJson
AnalyticsRowsFromJson
AuditFromJson
AuditsFromJson
AuthDataFromJson
AuthorizeRequestFromJson
BotFromJson
BotPatchFromJson
BotListFromJson
```

* fix tests

```release-note
NONE
```

model/audits.go

@@ -5,7 +5,6 @@ package model
 
 import (
 	"encoding/json"
-	"io"
 )
 
 type Audits []Audit
@@ -25,9 +24,3 @@ func (o Audits) ToJson() string {
 	}
 	return string(b)
 }
-
-func AuditsFromJson(data io.Reader) Audits {
-	var o Audits
-	json.NewDecoder(data).Decode(&o)
-	return o
-}