remove "async" and "responseWrapper" from template as these are not supported by kotlin-spring generator

Author: Picazsoo

modules/openapi-generator/src/main/resources/kotlin-spring/apiDelegate.mustache

@@ -14,9 +14,6 @@ import kotlinx.coroutines.flow.Flow
 {{/reactive}}
 
 import java.util.Optional
-{{#async}}
-import java.util.concurrent.CompletableFuture
-{{/async}}
 
 {{#operations}}
 /**
@@ -35,7 +32,7 @@ interface {{classname}}Delegate {
      */
     {{#reactive}}{{^isArray}}suspend {{/isArray}}{{#isArray}}{{^useFlowForArrayReturnType}}suspend {{/useFlowForArrayReturnType}}{{/isArray}}{{/reactive}}fun {{operationId}}({{#allParams}}{{{paramName}}}: {{^reactive}}{{>optionalDataType}}{{/reactive}}{{#reactive}}{{^isArray}}{{>optionalDataType}}{{/isArray}}{{#isArray}}{{#isBodyParam}}Flow<{{{baseType}}}>{{/isBodyParam}}{{^isBodyParam}}{{>optionalDataType}}{{/isBodyParam}}{{/isArray}}{{/reactive}}{{^-last}},
         {{/-last}}{{/allParams}}{{#includeHttpRequestContext}}{{#hasParams}},
-        {{/hasParams}}{{#reactive}}exchange: org.springframework.web.server.ServerWebExchange{{/reactive}}{{^reactive}}request: {{javaxPackage}}.servlet.http.HttpServletRequest{{/reactive}}{{/includeHttpRequestContext}}): {{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}}{{^skipDefaultDelegateInterface}} {
+        {{/hasParams}}{{#reactive}}exchange: org.springframework.web.server.ServerWebExchange{{/reactive}}{{^reactive}}request: {{javaxPackage}}.servlet.http.HttpServletRequest{{/reactive}}{{/includeHttpRequestContext}}): ResponseEntity<{{>returnTypes}}>{{^skipDefaultDelegateInterface}} {
         {{>methodBody}}{{! prevent indent}}
     }{{/skipDefaultDelegateInterface}}
 

modules/openapi-generator/src/main/resources/kotlin-spring/methodBody.mustache

@@ -1,26 +1,22 @@
 {{^reactive}}
 {{#examples}}
     {{#-first}}
-        {{#async}}
-return CompletableFuture.supplyAsync(()-> {
-        {{/async}}getRequest().ifPresent { request ->
-{{#async}}    {{/async}}            for (mediaType in MediaType.parseMediaTypes(request.getHeader("Accept"))) {
+        getRequest().ifPresent { request ->
+            for (mediaType in MediaType.parseMediaTypes(request.getHeader("Accept"))) {
     {{/-first}}
-{{#async}}        {{/async}}{{^async}}    {{/async}}            if (mediaType.isCompatibleWith(MediaType.valueOf("{{{contentType}}}"))) {
-{{#async}}        {{/async}}{{^async}}    {{/async}}                ApiUtil.setExampleResponse(request, "{{{contentType}}}", "{{#lambdaRemoveLineBreak}}{{#lambdaEscapeInNormalString}}{{{example}}}{{/lambdaEscapeInNormalString}}{{/lambdaRemoveLineBreak}}")
-{{#async}}        {{/async}}{{^async}}    {{/async}}                break
-{{#async}}        {{/async}}{{^async}}    {{/async}}            }
+                if (mediaType.isCompatibleWith(MediaType.valueOf("{{{contentType}}}"))) {
+                    ApiUtil.setExampleResponse(request, "{{{contentType}}}", "{{#lambdaRemoveLineBreak}}{{#lambdaEscapeInNormalString}}{{{example}}}{{/lambdaEscapeInNormalString}}{{/lambdaRemoveLineBreak}}")
+                    break
+                }
     {{#-last}}
-{{#async}}        {{/async}}{{^async}}    {{/async}}        }
-{{#async}}    {{/async}}        }
-{{#async}}    {{/async}}        return ResponseEntity({{#returnSuccessCode}}HttpStatus.valueOf({{{statusCode}}}){{/returnSuccessCode}}{{^returnSuccessCode}}HttpStatus.NOT_IMPLEMENTED{{/returnSuccessCode}})
-            {{#async}}
-        }, Runnable::run)
-            {{/async}}
+            }
+        }
+        return ResponseEntity({{#returnSuccessCode}}HttpStatus.valueOf({{{statusCode}}}){{/returnSuccessCode}}{{^returnSuccessCode}}HttpStatus.NOT_IMPLEMENTED{{/returnSuccessCode}})
+
     {{/-last}}
 {{/examples}}
 {{^examples}}
-return {{#async}}CompletableFuture.completedFuture({{/async}}ResponseEntity({{#returnSuccessCode}}HttpStatus.OK{{/returnSuccessCode}}{{^returnSuccessCode}}HttpStatus.NOT_IMPLEMENTED{{/returnSuccessCode}})
+return ResponseEntity({{#returnSuccessCode}}HttpStatus.OK{{/returnSuccessCode}}{{^returnSuccessCode}}HttpStatus.NOT_IMPLEMENTED{{/returnSuccessCode}})
 {{/examples}}
 {{/reactive}}
 {{#reactive}}