[webcrypto] Remove code supporting Key.algorithm.

Source/modules/modules.gypi

Index: Source/modules/modules.gypi
diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi
index 4eab0ac4cf824086c276d7189a848f54affc7ad0..c37cee9ada6cc4c2cd59e8211122791a96b60e76 100644
--- a/Source/modules/modules.gypi
+++ b/Source/modules/modules.gypi
@@ -10,17 +10,10 @@
     # Files for which bindings (.cpp and .h files) will be generated
     'modules_idl_files': [
       '<@(extra_blink_module_idl_files)',
-      'crypto/AesCbcParams.idl',
-      'crypto/AesCtrParams.idl',
-      'crypto/AesKeyGenParams.idl',
       'crypto/Algorithm.idl',
       'crypto/Crypto.idl',
-      'crypto/HmacKeyParams.idl',
-      'crypto/HmacParams.idl',
       'crypto/Key.idl',
       'crypto/KeyPair.idl',
-      'crypto/RsaKeyGenParams.idl',
-      'crypto/RsaSsaParams.idl',
       'crypto/SubtleCrypto.idl',
       'crypto/WorkerCrypto.idl',
       'device_orientation/DeviceAcceleration.idl',
@@ -215,12 +208,6 @@
     ],
     'modules_files': [
       '<@(extra_blink_module_files)',
-      'crypto/AesCbcParams.cpp',
-      'crypto/AesCbcParams.h',
-      'crypto/AesCtrParams.cpp',
-      'crypto/AesCtrParams.h',
-      'crypto/AesKeyGenParams.cpp',
-      'crypto/AesKeyGenParams.h',
       'crypto/Algorithm.cpp',
       'crypto/Algorithm.h',
       'crypto/Crypto.cpp',
@@ -229,20 +216,12 @@
       'crypto/CryptoResultImpl.h',
       'crypto/DOMWindowCrypto.cpp',
       'crypto/DOMWindowCrypto.h',
-      'crypto/HmacKeyParams.cpp',
-      'crypto/HmacKeyParams.h',
-      'crypto/HmacParams.cpp',
-      'crypto/HmacParams.h',
       'crypto/Key.cpp',
       'crypto/Key.h',
       'crypto/KeyPair.cpp',
       'crypto/KeyPair.h',
       'crypto/NormalizeAlgorithm.cpp',
       'crypto/NormalizeAlgorithm.h',
-      'crypto/RsaKeyGenParams.cpp',
-      'crypto/RsaKeyGenParams.h',
-      'crypto/RsaSsaParams.cpp',
-      'crypto/RsaSsaParams.h',
       'crypto/SubtleCrypto.cpp',
       'crypto/SubtleCrypto.h',
       'crypto/WorkerCrypto.cpp',