Remove an extraneous comma in the usage string. (#552)

src/ios-deploy/ios-deploy.m

@@ -2860,7 +2860,7 @@ void usage(const char* app) {
         @"  -k, --key                    keys for the properties of the bundle. Joined by ',' and used only with -B <list_bundle_id> and -j <json> \n"
         @"  --custom-script <script>     path to custom python script to execute in lldb\n"
         @"  --custom-command <command>   specify additional lldb commands to execute\n"
-        @"  --faster-path-search         use alternative logic to find the device support paths faster\n",
+        @"  --faster-path-search         use alternative logic to find the device support paths faster\n"
         @"  -P, --list_profiles          list all provisioning profiles on device\n"
         @"  --profile-uuid <uuid>        the UUID of the provisioning profile to target, use with other profile commands\n"
         @"  --profile-download <path>    download a provisioning profile (requires --profile-uuid)\n"