NaCl: Remove the IRT's Gyp dependency on libsrpc

Since I removed the IRT's calls to NaClSrpcModuleInit() and
NaClPluginLowLevelInitializationComplete(), the IRT no longer depends
on SRPC.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3864
TEST=build

Review URL: https://codereview.chromium.org/878623004

Cr-Commit-Position: refs/heads/master@{#313664}

ppapi/native_client/native_client.gyp

@@ -139,7 +139,6 @@
               '-lipc_nacl',
               '-lbase_nacl',
               '-lshared_memory_support_nacl',
-              '-lsrpc',
               '-limc_syscalls',
               '-lplatform',
               '-lgio',
@@ -181,7 +180,6 @@
                   '>(tc_lib_dir_irt64)/libirt_browser.a',
                   '>(tc_lib_dir_irt64)/libpnacl_irt_shim_for_irt.a',
                   '>(tc_lib_dir_irt64)/libshared_memory_support_nacl.a',
-                  '>(tc_lib_dir_irt64)/libsrpc.a',
                   '>(tc_lib_dir_irt64)/libplatform.a',
                   '>(tc_lib_dir_irt64)/libimc_syscalls.a',
                   '>(tc_lib_dir_irt64)/libgio.a',
@@ -202,7 +200,6 @@
                   '>(tc_lib_dir_irt32)/libirt_browser.a',
                   '>(tc_lib_dir_irt32)/libpnacl_irt_shim_for_irt.a',
                   '>(tc_lib_dir_irt32)/libshared_memory_support_nacl.a',
-                  '>(tc_lib_dir_irt32)/libsrpc.a',
                   '>(tc_lib_dir_irt32)/libplatform.a',
                   '>(tc_lib_dir_irt32)/libimc_syscalls.a',
                   '>(tc_lib_dir_irt32)/libgio.a',
@@ -225,7 +222,6 @@
                   '>(tc_lib_dir_irt_arm)/libirt_browser.a',
                   '>(tc_lib_dir_irt_arm)/libpnacl_irt_shim_for_irt.a',
                   '>(tc_lib_dir_irt_arm)/libshared_memory_support_nacl.a',
-                  '>(tc_lib_dir_irt_arm)/libsrpc.a',
                   '>(tc_lib_dir_irt_arm)/libplatform.a',
                   '>(tc_lib_dir_irt_arm)/libimc_syscalls.a',
                   '>(tc_lib_dir_irt_arm)/libgio.a',
@@ -248,7 +244,6 @@
                   '>(tc_lib_dir_irt_mips)/libirt_browser.a',
                   '>(tc_lib_dir_irt_mips)/libpnacl_irt_shim_for_irt.a',
                   '>(tc_lib_dir_irt_mips)/libshared_memory_support_nacl.a',
-                  '>(tc_lib_dir_irt_mips)/libsrpc.a',
                   '>(tc_lib_dir_irt_mips)/libplatform.a',
                   '>(tc_lib_dir_irt_mips)/libimc_syscalls.a',
                   '>(tc_lib_dir_irt_mips)/libgio.a',
@@ -272,7 +267,6 @@
             '../../base/base_nacl.gyp:base_nacl',
             '../../media/media_nacl.gyp:shared_memory_support_nacl',
             '../../native_client/src/untrusted/irt/irt.gyp:irt_browser_lib',
-            '../../native_client/src/shared/srpc/srpc.gyp:srpc_lib',
             '../../native_client/src/shared/platform/platform.gyp:platform_lib',
             '../../native_client/src/tools/tls_edit/tls_edit.gyp:tls_edit#host',
             '../../native_client/src/untrusted/nacl/nacl.gyp:imc_syscalls_lib',