NaCl cleanup: Remove SrpcParams and SrpcClient, which are unused now

components/nacl/renderer/plugin/BUILD.gn

Index: components/nacl/renderer/plugin/BUILD.gn
diff --git a/components/nacl/renderer/plugin/BUILD.gn b/components/nacl/renderer/plugin/BUILD.gn
index 5c3d22ec57caa40d81f323b6b535f91d20ccaa1c..e0b6eee088622746c780dfe7216e54ab5061d695 100644
--- a/components/nacl/renderer/plugin/BUILD.gn
+++ b/components/nacl/renderer/plugin/BUILD.gn
@@ -13,8 +13,6 @@ source_set("nacl_trusted_plugin") {
     "ppapi_entrypoints.cc",
     "sel_ldr_launcher_chrome.cc",
     "service_runtime.cc",
-    "srpc_client.cc",
-    "srpc_params.cc",
     "temporary_file.cc",
     "utility.cc",
   ]
@@ -26,7 +24,6 @@ source_set("nacl_trusted_plugin") {
     "//native_client/src/shared/gio",
     "//native_client/src/shared/imc",
     "//native_client/src/shared/platform",
-    "//native_client/src/shared/srpc:nonnacl_srpc",
     "//native_client/src/trusted/desc:nrd_xfer",
     "//native_client/src/trusted/nonnacl_util:sel_ldr_launcher_base",
     "//native_client/src/trusted/platform_qualify:platform_qual_lib",