Remove invalid helper script from global package

- Remove script.get_mode_color which had incorrect response syntax
- Replace with usage notes showing how to access mode colors in templates
- Blueprints and automations access colors directly via templates
- Fixes 'extra keys not allowed @ data['sequence'][0]['response']' error

packages/adaptive_lighting_global.yaml

@@ -47,21 +47,8 @@ input_text:
 # =============================================================================
 
 # =============================================================================
-# HELPER SCRIPTS
+# USAGE NOTES
 # =============================================================================
-
-script:
-  get_mode_color:
-    alias: "Get LED Color for Mode"
-    description: "Returns the LED color value (0-255) for a given mode name"
-    fields:
-      mode:
-        description: "Mode name (e.g., 'Reading', 'Sleep')"
-        example: "Reading"
-    sequence:
-      - stop: "Color retrieved"
-        response_variable: "color"
-        response:
-          color: >-
-            {% set colors = states('input_text.adaptive_lighting_mode_colors') | from_json %}
-            {{ colors.get(mode, 170) }}
+# To access mode colors in templates:
+#   {% set colors = states('input_text.adaptive_lighting_mode_colors') | from_json %}
+#   {{ colors.get('Reading', 170) }}