fontgen: remove "feature" feature

src/displayapp/fonts/README.md

@@ -24,7 +24,6 @@ and for each font there is:
 * bpp - bits per pixel.
 * size - size.
 * patches - list of extra "patches" to run, either string to file which should be run, or list of arguments (with first one being the command being run)
-* features - optional. dictionary of extra file,range fonts to be included when the feature is enabled. (for example: a extra language)
 * compress - optional. default disabled. add `"compress": true` to enable
 
 ### Navigation font

src/displayapp/fonts/fonts.json

@@ -12,15 +12,7 @@
       ],
       "bpp": 1,
       "size": 20,
-      "patches": [["patch", "{file}", "{file}_zero.patch"]],
-      "features": {
-         "hebrew": [
-            {
-               "file": "SimpleCLM-Medium.ttf",
-               "range": "0x05D0-0x05EA,0x05F3,0x05F4"
-            }
-         ]
-      }
+      "patches": [["patch", "{file}", "{file}_zero.patch"]]
    },
    "jetbrains_mono_42": {
       "sources": [

src/displayapp/fonts/generate.py

@@ -33,7 +33,6 @@ def gen_lvconv_line(dest: str, size: int, bpp: int, sources: typing.List[Source]
 def main():
     ap = argparse.ArgumentParser(description='auto generate LVGL font files from fonts')
     ap.add_argument('config', type=str, help='config file to use')
-    ap.add_argument('-e', '--enable', type=str, action='append', help='optional feature to enable in font generation', default=[], metavar='FEATURE', dest='features')
     ap.add_argument('-f', '--font', type=str, action='append', help='Choose specific fonts to generate (default: all)', default=[])
     args = ap.parse_args()
 
@@ -59,10 +58,6 @@ def main():
         font = data[name]
         sources = font.pop('sources')
         patches = font.pop('patches') if 'patches' in font else  []
-        features = font.pop('features') if 'features' in font else []
-        for enabled_feature in args.features:
-            if enabled_feature in features:
-                sources.extend(features[enabled_feature])
         font['sources'] = [Source(thing) for thing in sources]
         line = gen_lvconv_line(f'{name}.c', **font)
         subprocess.check_call(line)