Cleanup: Remove src/trusted/gio/, since it is unused

src/trusted/service_runtime/build.scons

Index: src/trusted/service_runtime/build.scons
diff --git a/src/trusted/service_runtime/build.scons b/src/trusted/service_runtime/build.scons
index fac157db73587f38d3c198891f9596046b51f437..bb9bab9f8d78e0587a76eaf704b3716cfb426b60 100644
--- a/src/trusted/service_runtime/build.scons
+++ b/src/trusted/service_runtime/build.scons
@@ -323,7 +323,6 @@ sel_ldr_libs = ['sel',
                 'manifest_proxy',
                 'simple_service',
                 'thread_interface',
-                'gio_wrapped_desc',
                 'nonnacl_srpc',
                 'nrd_xfer',
                 'nacl_perf_counter',
@@ -361,7 +360,6 @@ if not env.Bit('coverage_enabled') or not env.Bit('windows'):
                          EXTRA_LIBS=['sel',
                                      'env_cleanser',
                                      'nacl_perf_counter',
-                                     'gio_wrapped_desc',
                                      'nacl_fault_inject',
                                      'platform',
                                      ])
@@ -486,7 +484,6 @@ if not env.Bit('coverage_enabled') or not env.Bit('windows'):
                   'manifest_proxy',
                   'simple_service',
                   'thread_interface',
-                  'gio_wrapped_desc',
                   'nonnacl_srpc',
                   'nrd_xfer',
                   'nacl_perf_counter',
@@ -545,7 +542,6 @@ if ((not env.Bit('windows') or not env.Bit('coverage_enabled')) and
                   'manifest_proxy',
                   'simple_service',
                   'thread_interface',
-                  'gio_wrapped_desc',
                   'nonnacl_srpc',
                   'nrd_xfer',
                   'nacl_perf_counter',
@@ -594,7 +590,6 @@ nacl_sync_cond_test_exe = env.ComponentProgram(
                 'manifest_proxy',
                 'simple_service',
                 'thread_interface',
-                'gio_wrapped_desc',
                 'nonnacl_srpc',
                 'nrd_xfer',
                 'nacl_perf_counter',
@@ -615,9 +610,7 @@ env.AddNodeToTestSuite(node,
 
 env_cleanser_test_exe = env.ComponentProgram('env_cleanser_test',
                                              ['env_cleanser_test.c'],
-                                             EXTRA_LIBS=['env_cleanser',
-                                                         'gio_wrapped_desc',
-                                                         ])
+                                             EXTRA_LIBS=['env_cleanser'])
 node = env.CommandTest(
     'env_cleanser_test.out',
     command=[env_cleanser_test_exe])
@@ -690,7 +683,6 @@ check_test_exe = env.ComponentProgram('nacl_check_test',
                                       EXTRA_LIBS=['sel',
                                                   'env_cleanser',
                                                   'nacl_perf_counter',
-                                                  'gio_wrapped_desc',
                                                   'nacl_fault_inject',
                                                   'nacl_interval',
                                                   'platform',
@@ -979,7 +971,6 @@ if not env.Bit('coverage_enabled') or not env.Bit('windows'):
                   'manifest_proxy',
                   'simple_service',
                   'thread_interface',
-                  'gio_wrapped_desc',
                   'nonnacl_srpc',
                   'nrd_xfer',
                   'nacl_perf_counter',