[API] Troca declaração de headers por parametros

Api/components/headers.yaml

-Competition-Token:
-  description: The token that identifies the endpoint
-  schema:
-    type: integer
-Accept-Language:
-  description: The desired language
-  schema:
-    type: string

Api/components/parameters.yaml

+language:
+  name: Accept-Language
+  in: header
+  description: preferred language
+  required: false
+  schema:
+    type: string
+  style: simple

Api/components/responses.yaml

@@ -11,9 +11,9 @@ NotFoundError:
             type: string
           completeMessage:
             type: string
-  headers:
-    Accept-Language:
-      $ref: https://gitlab.dev.evologica.com.br/Competify/Docs/raw/master/Api/components/headers.yaml/#/Accept-Language
+  parameters:
+    language:
+      $ref: 'https://gitlab.dev.evologica.com.br/Competify/Docs/raw/master/Api/components/parameters.yaml/#/language'
 InternalServerError:
   description: Internal Server Error
   content:
@@ -27,6 +27,6 @@ InternalServerError:
             type: string
           completeMessage:
             type: string
-  headers:
-    Accept-Language:
-      $ref: https://gitlab.dev.evologica.com.br/Competify/Docs/raw/master/Api/components/headers.yaml/#/Accept-Language
+  parameters:
+    language:
+      $ref: 'https://gitlab.dev.evologica.com.br/Competify/Docs/raw/master/Api/components/parameters.yaml/#/language'