gl_state: Remove texture target tracking

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -1022,11 +1022,8 @@ void RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, const Shader& s
         if (surface != nullptr) {
             unit.texture =
                 entry.IsArray() ? surface->TextureLayer().handle : surface->Texture().handle;
-            const GLenum target = entry.IsArray() ? surface->TargetLayer() : surface->Target();
             surface->UpdateSwizzle(texture.tic.x_source, texture.tic.y_source, texture.tic.z_source,
                                    texture.tic.w_source);
-            unit.texture = handle;
-            unit.target = target;
         } else {
             // Can occur when texture addr is null or its memory is unmapped/invalid
             unit.texture = 0;

src/video_core/renderer_opengl/gl_state.h

@@ -126,7 +126,6 @@ public:
     struct TextureUnit {
         GLuint texture; // GL_TEXTURE_BINDING_2D
         GLuint sampler; // GL_SAMPLER_BINDING
-        GLenum target;
 
         void Unbind() {
             texture = 0;
@@ -135,7 +134,6 @@ public:
         void Reset() {
             Unbind();
             sampler = 0;
-            target = GL_TEXTURE_2D;
         }
     };
     std::array<TextureUnit, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_units;