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/access.go

@@ -5,7 +5,6 @@ package model
 
 import (
 	"encoding/json"
-	"io"
 	"net/http"
 )
 
@@ -79,19 +78,7 @@ func (ad *AccessData) ToJson() string {
 	return string(b)
 }
 
-func AccessDataFromJson(data io.Reader) *AccessData {
-	var ad *AccessData
-	json.NewDecoder(data).Decode(&ad)
-	return ad
-}
-
 func (ar *AccessResponse) ToJson() string {
 	b, _ := json.Marshal(ar)
 	return string(b)
 }
-
-func AccessResponseFromJson(data io.Reader) *AccessResponse {
-	var ar *AccessResponse
-	json.NewDecoder(data).Decode(&ar)
-	return ar
-}