Revert "fix valid signature"

This reverts commit e58e295c.

This is to fix learner-1464

lms/djangoapps/verify_student/models.py

@@ -887,10 +887,8 @@ class SoftwareSecurePhotoVerification(PhotoVerification):
             "Content-Type": "application/json",
             "Date": formatdate(timeval=None, localtime=False, usegmt=True)
         }
-
-        body_for_signature = {"EdX-ID": str(self.receipt_id)}
         _message, _sig, authorization = generate_signed_message(
-            "POST", headers, body_for_signature, access_key, secret_key
+            "POST", headers, body, access_key, secret_key
         )
         headers['Authorization'] = authorization
 

lms/djangoapps/verify_student/views.py

@@ -1104,15 +1104,13 @@ def results_callback(request):
 
     headers = {
         "Authorization": request.META.get("HTTP_AUTHORIZATION", ""),
-        "Content-Type": "application/json",
         "Date": request.META.get("HTTP_DATE", "")
     }
 
-    body_for_signature = {"EdX-ID": body_dict.get("EdX-ID")}
     has_valid_signature(
         "POST",
         headers,
-        body_for_signature,
+        body_dict,
         settings.VERIFY_STUDENT["SOFTWARE_SECURE"]["API_ACCESS_KEY"],
         settings.VERIFY_STUDENT["SOFTWARE_SECURE"]["API_SECRET_KEY"]
     )