[webcrypto] Remove support for null import algorithms.

content/child/webcrypto/webcrypto_util.cc

Index: content/child/webcrypto/webcrypto_util.cc
diff --git a/content/child/webcrypto/webcrypto_util.cc b/content/child/webcrypto/webcrypto_util.cc
index 3058d0abe3bea972436c3770dadbed2f31b6a39d..9cf44efb0551eb42d7e9aca767379c193f9d556e 100644
--- a/content/child/webcrypto/webcrypto_util.cc
+++ b/content/child/webcrypto/webcrypto_util.cc
@@ -140,18 +140,6 @@ Status Status::ErrorGenerateKeyPublicExponent() {
   return Status("The \"publicExponent\" is either empty, zero, or too large");
 }
 
-Status Status::ErrorMissingAlgorithmImportRawKey() {
-  return Status(
-      "The key's algorithm must be specified when importing "
-      "raw-formatted key.");
-}
-
-Status Status::ErrorMissingAlgorithmUnwrapRawKey() {
-  return Status(
-      "The key's algorithm must be specified when unwrapping a "
-      "raw-formatted key.");
-}
-
 Status Status::ErrorImportRsaEmptyModulus() {
   return Status("The modulus is empty");
 }