Remove allocator which isn't gonna be used

generator/spirv/generator.zig

@@ -69,5 +69,5 @@ pub fn generate(allocator: *Allocator, spec_jsons: []const []const u8, writer: a
     }
 
     const merged = try mergeRegistries(&arena.allocator, core_registry, ext_registries);
-    try renderSpirv(writer, &arena.allocator, &merged);
+    try renderSpirv(writer, &merged);
 }

generator/spirv/render.zig

@@ -20,7 +20,6 @@ fn Renderer(comptime WriterType: type) type {
         const Self = @This();
 
         writer: WriterType,
-        allocator: *Allocator,
         registry: *const reg.CoreRegistry,
         id_renderer: IdRenderer,
 
@@ -34,11 +33,10 @@ fn Renderer(comptime WriterType: type) type {
     };
 }
 
-pub fn render(writer: anytype, allocator: *Allocator, registry: *const reg.CoreRegistry) !void {
+pub fn render(writer: anytype, registry: *const reg.CoreRegistry) !void {
     const id_renderer = IdRenderer.init(allocator, &tags);
     var renderer = Renderer(@TypeOf(writer)) {
         .writer = writer,
-        .allocator = allocator,
         .registry = registry,
         .id_renderer = id_renderer,
     };