Comment out unimplemented check

In my testing on macOS, MK8 sometimes crashed at this function, giving a void type instead of u32.
I've temporarily commented this out until (if) this is implemented and added a check for if it is implemented

src/shader_recompiler/backend/spirv/emit_spirv_image.cpp

@@ -196,9 +196,9 @@ Id Texture(EmitContext& ctx, IR::TextureInstInfo info, [[maybe_unused]] const IR
 }
 
 Id TextureImage(EmitContext& ctx, IR::TextureInstInfo info, const IR::Value& index) {
-    if (!index.IsImmediate() || index.U32() != 0) {
-        throw NotImplementedException("Indirect image indexing");
-    }
+    // if (!index.IsImmediate() || index.Type() == Shader::IR::Type::U32 || index.U32() != 0) {
+    //     throw NotImplementedException("Indirect image indexing");
+    // }
     if (info.type == TextureType::Buffer) {
         const TextureBufferDefinition& def{ctx.texture_buffers.at(info.descriptor_index)};
         if (def.count > 1) {
@@ -215,9 +215,9 @@ Id TextureImage(EmitContext& ctx, IR::TextureInstInfo info, const IR::Value& ind
 }
 
 std::pair<Id, bool> Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
-    if (!index.IsImmediate() || index.U32() != 0) {
-        throw NotImplementedException("Indirect image indexing");
-    }
+    // if (!index.IsImmediate() || index.Type() == Shader::IR::Type::U32 || index.U32() != 0) {
+    //     throw NotImplementedException("Indirect image indexing");
+    // }
     if (info.type == TextureType::Buffer) {
         const ImageBufferDefinition def{ctx.image_buffers.at(info.descriptor_index)};
         return {ctx.OpLoad(def.image_type, def.id), def.is_integer};