Partial revert changing path generation if interface

This reverts commit 65703ff.

Author: rignicat

modules/openapi-generator/src/main/resources/JavaJaxRS/spec/api.mustache

@@ -29,10 +29,7 @@ import {{javaxPackage}}.validation.Valid;{{/useBeanValidation}}
 /**
 * Represents a collection of functions to interact with the API endpoints.
 */
-{{^interfaceOnly}}
-@Path("{{commonPath}}")
-{{/interfaceOnly}}
-{{#useSwaggerAnnotations}}
+@Path("{{commonPath}}"){{#useSwaggerAnnotations}}
 @Api(description = "the {{{baseName}}} API"){{/useSwaggerAnnotations}}{{#useSwaggerV3Annotations}}
 @Tag(name = "{{{baseName}}}"){{/useSwaggerV3Annotations}}{{#hasConsumes}}
 @Consumes({ {{#consumes}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/consumes}} }){{/hasConsumes}}{{#hasProduces}}

modules/openapi-generator/src/main/resources/JavaJaxRS/spec/apiInterface.mustache

@@ -8,8 +8,8 @@
      * @return {{{message}}}
      {{/responses}}
      */
-    @{{httpMethod}}
-    @Path("{{commonPath}}{{{path}}}"){{#hasConsumes}}
+    @{{httpMethod}}{{#subresourceOperation}}
+    @Path("{{{path}}}"){{/subresourceOperation}}{{#hasConsumes}}
     @Consumes({ {{#consumes}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/consumes}} }){{/hasConsumes}}{{#hasProduces}}
     @Produces({ {{#produces}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/produces}} }){{/hasProduces}}{{#useSwaggerAnnotations}}
     @ApiOperation(value = "{{{summary}}}", notes = "{{{notes}}}"{{#hasAuthMethods}}, authorizations = {