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/analytics_row.go

@@ -5,7 +5,6 @@ package model
 
 import (
 	"encoding/json"
-	"io"
 )
 
 type AnalyticsRow struct {
@@ -20,12 +19,6 @@ func (ar *AnalyticsRow) ToJson() string {
 	return string(b)
 }
 
-func AnalyticsRowFromJson(data io.Reader) *AnalyticsRow {
-	var ar *AnalyticsRow
-	json.NewDecoder(data).Decode(&ar)
-	return ar
-}
-
 func (ar AnalyticsRows) ToJson() string {
 	b, err := json.Marshal(ar)
 	if err != nil {
@@ -33,9 +26,3 @@ func (ar AnalyticsRows) ToJson() string {
 	}
 	return string(b)
 }
-
-func AnalyticsRowsFromJson(data io.Reader) AnalyticsRows {
-	var ar AnalyticsRows
-	json.NewDecoder(data).Decode(&ar)
-	return ar
-}