remove: redundant cache flag

src/Cache.zig

@@ -4,7 +4,7 @@ const Config = @import("config/Config.zig");
 const vaxis = @import("vaxis");
 
 pub const Key = struct { colorize: bool, page: u16 };
-pub const CachedImage = struct { image: vaxis.Image, cached: bool };
+pub const CachedImage = struct { image: vaxis.Image };
 
 const Node = struct {
     key: Key,

src/Context.zig

@@ -221,7 +221,7 @@ pub const Context = struct {
             }
         }
 
-        var image = try self.pdf_handler.renderPage(
+        const image = try self.pdf_handler.renderPage(
             self.pdf_handler.current_page_number,
             window_width,
             window_height,
@@ -239,15 +239,10 @@ pub const Context = struct {
         if (!self.config.cache.enabled) return;
 
         if (self.current_page) |img| {
-            image.cached = true;
-
             _ = try self.cache.put(.{
                 .colorize = self.config.general.colorize,
                 .page = self.pdf_handler.current_page_number,
-            }, .{
-                .image = img,
-                .cached = true,
-            });
+            }, .{ .image = img });
         }
     }
 

src/PdfHandler.zig

@@ -9,7 +9,7 @@ const c = @cImport({
     @cInclude("mupdf/pdf.h");
 });
 
-pub const EncodedImage = struct { base64: []const u8, width: u16, height: u16, cached: bool };
+pub const EncodedImage = struct { base64: []const u8, width: u16, height: u16 };
 pub const PdfError = error{ FailedToCreateContext, FailedToOpenDocument, InvalidPageNumber };
 pub const ScrollDirection = enum { Up, Down, Left, Right };
 
@@ -172,7 +172,6 @@ pub fn renderPage(
         .base64 = encoded,
         .width = @intCast(width),
         .height = @intCast(height),
-        .cached = false,
     };
 }