Remove unused bits implementing parts of RFC 4880

crypto/crypto.gyp

Index: crypto/crypto.gyp
diff --git a/crypto/crypto.gyp b/crypto/crypto.gyp
index ab19f69fb0361c6b419d1a7626596b6fa7b0f270..e43f976e3e97899b4576623f30891dc09d0020e2 100644
--- a/crypto/crypto.gyp
+++ b/crypto/crypto.gyp
@@ -41,8 +41,6 @@
         }, {  # os_posix != 1 or OS == "mac" or OS == "ios" or OS == "android"
             'sources!': [
               'hmac_win.cc',
-              'openpgp_symmetric_encryption.cc',
-              'openpgp_symmetric_encryption.h',
               'symmetric_key_win.cc',
             ],
         }],
@@ -113,7 +111,6 @@
               'hmac_nss.cc',
               'nss_util.cc',
               'nss_util.h',
-              'openpgp_symmetric_encryption.cc',
               'rsa_private_key_nss.cc',
               'secure_hash_default.cc',
               'signature_creator_nss.cc',
@@ -171,7 +168,6 @@
         'signature_creator_unittest.cc',
         'signature_verifier_unittest.cc',
         'symmetric_key_unittest.cc',
-        'openpgp_symmetric_encryption_unittest.cc',
       ],
       'dependencies': [
         'crypto',
@@ -198,7 +194,6 @@
         }, {  # os_posix != 1 or OS == "mac" or OS == "android" or OS == "ios"
           'sources!': [
             'rsa_private_key_nss_unittest.cc',
-            'openpgp_symmetric_encryption_unittest.cc',
           ]
         }],
         [ 'use_openssl == 0 and (OS == "mac" or OS == "ios" or OS == "win")', {
@@ -213,7 +208,6 @@
         [ 'use_openssl==1', {
           'sources!': [
             'nss_util_unittest.cc',
-            'openpgp_symmetric_encryption_unittest.cc',
             'rsa_private_key_nss_unittest.cc',
           ],
         }],