Module improvements: lvgl, gps, crypt (#585)

Modules/lvgl-module/source/module.c

@@ -1,8 +1,8 @@
 // SPDX-License-Identifier: Apache-2.0
-#include <lvgl.h>
+#include <lvgl/module.h>
 #include <string.h>
 #include <tactility/module.h>
-#include <tactility/lvgl_module.h>
+#include <lvgl/lvgl.h>
 
 extern const struct ModuleSymbol lvgl_module_symbols[];
 error_t lvgl_arch_start();
@@ -60,10 +60,6 @@ bool lvgl_is_running() {
     return is_running;
 }
 
-enum UiDensity lvgl_get_ui_density(void) {
-    return TT_LVGL_UI_DENSITY;
-}
-
 struct Module lvgl_module = {
     .name = "lvgl",
     .start = start,