[JavaScript] fix documentation of API authorization in README files (#15346)

align wording across generators

Author: tiffmaelite

modules/openapi-generator/src/main/resources/Javascript-Apollo/README.mustache

@@ -191,12 +191,9 @@ Class | Method | HTTP request | Description
 
 ## Documentation for Authorization
 
-{{^authMethods}}
-All endpoints do not require authorization.
-{{/authMethods}}
+{{^authMethods}}Endpoints do not require authorization.{{/authMethods}}
+{{#hasAuthMethods}}Authentication schemes defined for the API:{{/hasAuthMethods}}
 {{#authMethods}}
-{{#last}} Authentication schemes defined for the API:{{/last}}
-
 ### {{name}}
 
 {{#isApiKey}}

modules/openapi-generator/src/main/resources/Javascript/README.mustache

@@ -191,12 +191,9 @@ Class | Method | HTTP request | Description
 
 ## Documentation for Authorization
 
-{{^authMethods}}
-All endpoints do not require authorization.
-{{/authMethods}}
+{{^authMethods}}Endpoints do not require authorization.{{/authMethods}}
+{{#hasAuthMethods}}Authentication schemes defined for the API:{{/hasAuthMethods}}
 {{#authMethods}}
-{{#last}} Authentication schemes defined for the API:{{/last}}
-
 ### {{name}}
 
 {{#isApiKey}}

samples/client/petstore/javascript-apollo/README.md

@@ -223,7 +223,7 @@ Class | Method | HTTP request | Description
 ## Documentation for Authorization
 
 
-
+Authentication schemes defined for the API:
 ### petstore_auth
 
 
@@ -234,38 +234,28 @@ Class | Method | HTTP request | Description
   - write:pets: modify pets in your account
   - read:pets: read your pets
 
-
-
 ### api_key
 
 
 - **Type**: API key
 - **API key parameter name**: api_key
 - **Location**: HTTP header
 
-
-
 ### api_key_query
 
 
 - **Type**: API key
 - **API key parameter name**: api_key_query
 - **Location**: URL query string
 
-
-
 ### http_basic_test
 
 - **Type**: HTTP basic authentication
 
-
-
 ### bearer_test
 
 - **Type**: Bearer authentication (JWT)
 
-
-
 ### http_signature_test
 
 

samples/client/petstore/javascript-es6/README.md

@@ -223,7 +223,7 @@ Class | Method | HTTP request | Description
 ## Documentation for Authorization
 
 
-
+Authentication schemes defined for the API:
 ### petstore_auth
 
 
@@ -234,38 +234,28 @@ Class | Method | HTTP request | Description
   - write:pets: modify pets in your account
   - read:pets: read your pets
 
-
-
 ### api_key
 
 
 - **Type**: API key
 - **API key parameter name**: api_key
 - **Location**: HTTP header
 
-
-
 ### api_key_query
 
 
 - **Type**: API key
 - **API key parameter name**: api_key_query
 - **Location**: URL query string
 
-
-
 ### http_basic_test
 
 - **Type**: HTTP basic authentication
 
-
-
 ### bearer_test
 
 - **Type**: Bearer authentication (JWT)
 
-
-
 ### http_signature_test
 
 

samples/client/petstore/javascript-promise-es6/README.md

@@ -221,7 +221,7 @@ Class | Method | HTTP request | Description
 ## Documentation for Authorization
 
 
-
+Authentication schemes defined for the API:
 ### petstore_auth
 
 
@@ -232,38 +232,28 @@ Class | Method | HTTP request | Description
   - write:pets: modify pets in your account
   - read:pets: read your pets
 
-
-
 ### api_key
 
 
 - **Type**: API key
 - **API key parameter name**: api_key
 - **Location**: HTTP header
 
-
-
 ### api_key_query
 
 
 - **Type**: API key
 - **API key parameter name**: api_key_query
 - **Location**: URL query string
 
-
-
 ### http_basic_test
 
 - **Type**: HTTP basic authentication
 
-
-
 ### bearer_test
 
 - **Type**: Bearer authentication (JWT)
 
-
-
 ### http_signature_test