Remove an erronous comma that is causing an unused data argument in a format string.

src/ios-deploy/ios-deploy.m

diff --git a/src/ios-deploy/ios-deploy.m b/src/ios-deploy/ios-deploy.m
index cb3de88..84539ba 100644
--- a/src/ios-deploy/ios-deploy.m
+++ b/src/ios-deploy/ios-deploy.m
@@ -2666,7 +2666,7 @@
         @"  -j, --json                   format output as JSON\n"
         @"  -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",
+        @"  --custom-command <command>   specify additional lldb commands to execute\n"
         @"  --faster-path-search         use alternative logic to find the device support paths faster\n",
         [NSString stringWithUTF8String:app]);
 }