[modular][cleanup] Remove data/sysui from .cmx files

These don't need access to system/data/sysui now that we're
not reading base_shell_config.json.

MF-340 #comment Remove data/sysui from ermine.cmx and
userpicker_base_shell.cmx

Change-Id: Ia72843b7439e4d88680944ffc517ec87dbf5ea76
diff --git a/bin/userpicker_base_shell/meta/userpicker_base_shell.cmx b/bin/userpicker_base_shell/meta/userpicker_base_shell.cmx
index d156470..5b1e7b8 100644
--- a/bin/userpicker_base_shell/meta/userpicker_base_shell.cmx
+++ b/bin/userpicker_base_shell/meta/userpicker_base_shell.cmx
@@ -19,9 +19,6 @@
             "fuchsia.ui.input.ImeService",
             "fuchsia.ui.policy.Presenter",
             "fuchsia.ui.scenic.Scenic"
-        ],
-        "system": [
-            "data/sysui"
         ]
     }
 }
diff --git a/shell/ermine/meta/ermine.cmx b/shell/ermine/meta/ermine.cmx
index 7dbc08c..8552867 100644
--- a/shell/ermine/meta/ermine.cmx
+++ b/shell/ermine/meta/ermine.cmx
@@ -3,7 +3,9 @@
         "data": "data/ermine"
     },
     "sandbox": {
-        "pkgfs": [ "packages" ],
+        "pkgfs": [
+            "packages"
+        ],
         "services": [
             "fuchsia.cobalt.LoggerFactory",
             "fuchsia.fonts.Provider",
@@ -21,7 +23,6 @@
             "fuchsia.ui.input.ImeService",
             "fuchsia.ui.policy.Presenter",
             "fuchsia.ui.scenic.Scenic"
-        ],
-        "system": [ "data/sysui" ]
+        ]
     }
 }