Remove store search template APIs

See
https://www.elastic.co/guide/en/elasticsearch/reference/6.0/breaking_60_scripting_changes.html#_stored_search_template_apis_removed

Author: olivere

client.go

@@ -1555,24 +1555,6 @@ func (c *Client) Aliases() *AliasesService {
 	return NewAliasesService(c)
 }
 
-// GetTemplate gets a search template.
-// Use IndexXXXTemplate funcs to manage index templates.
-func (c *Client) GetTemplate() *GetTemplateService {
-	return NewGetTemplateService(c)
-}
-
-// PutTemplate creates or updates a search template.
-// Use IndexXXXTemplate funcs to manage index templates.
-func (c *Client) PutTemplate() *PutTemplateService {
-	return NewPutTemplateService(c)
-}
-
-// DeleteTemplate deletes a search template.
-// Use IndexXXXTemplate funcs to manage index templates.
-func (c *Client) DeleteTemplate() *DeleteTemplateService {
-	return NewDeleteTemplateService(c)
-}
-
 // IndexGetTemplate gets an index template.
 // Use XXXTemplate funcs to manage search templates.
 func (c *Client) IndexGetTemplate(names ...string) *IndicesGetTemplateService {

delete_template.go

@@ -480,58 +480,6 @@ func ExampleSearchResult() {
 	}
 }
 
-func ExamplePutTemplateService() {
-	client, err := elastic.NewClient()
-	if err != nil {
-		panic(err)
-	}
-
-	// Create search template
-	tmpl := `{"template":{"query":{"match":{"title":"{{query_string}}"}}}}`
-
-	// Create template
-	resp, err := client.PutTemplate().
-		Id("my-search-template"). // Name of the template
-		BodyString(tmpl).         // Search template itself
-		Do(context.Background())  // Execute
-	if err != nil {
-		panic(err)
-	}
-	if resp.Acknowledged {
-		fmt.Println("search template creation acknowledged")
-	}
-}
-
-func ExampleGetTemplateService() {
-	client, err := elastic.NewClient()
-	if err != nil {
-		panic(err)
-	}
-
-	// Get template stored under "my-search-template"
-	resp, err := client.GetTemplate().Id("my-search-template").Do(context.Background())
-	if err != nil {
-		panic(err)
-	}
-	fmt.Printf("search template is: %q\n", resp.Template)
-}
-
-func ExampleDeleteTemplateService() {
-	client, err := elastic.NewClient()
-	if err != nil {
-		panic(err)
-	}
-
-	// Delete template
-	resp, err := client.DeleteTemplate().Id("my-search-template").Do(context.Background())
-	if err != nil {
-		panic(err)
-	}
-	if resp != nil && resp.Acknowledged {
-		fmt.Println("template deleted")
-	}
-}
-
 func ExampleClusterHealthService() {
 	client, err := elastic.NewClient()
 	if err != nil {