removed unused structs

Readme.md

@@ -198,7 +198,7 @@ while (1) {
 ```
 For the purpose of implementing overlapping panels sub buffers were implemented.
 With sub buffers you can create one global buffer which owns the allocated memory
-and a number of sub buffers which directly reference the global buffer. Biggest
+and sub buffers which directly reference the global buffer. Biggest
 advantage is that you do not have to allocate a buffer for each panel and boil
 down the memory management to a single buffer.
 

gui.h

@@ -395,8 +395,6 @@ struct gui_panel {
     gui_bool minimized;
     struct gui_font font;
     const struct gui_config *config;
-    struct gui_panel *next;
-    struct gui_panel *prev;
 };
 
 struct gui_panel_layout {
@@ -419,24 +417,6 @@ struct gui_panel_layout {
     const struct gui_canvas *canvas;
 };
 
-struct gui_pool_page {
-    struct gui_pool_page *next;
-    void *memory;
-    gui_size capacity;
-    gui_size count;
-};
-
-struct gui_pool {
-    struct gui_allocator allocator;
-    struct gui_pool_page base;
-    struct gui_pool_page *pages;
-    gui_size page_count;
-    gui_size page_size;
-    gui_size panel_size;
-    gui_size panel_offset;
-    struct gui_panel *free_list;
-};
-
 /* Input */
 gui_size gui_utf_decode(const gui_char*, gui_long*, gui_size);
 gui_size gui_utf_encode(gui_long, gui_char*, gui_size);