LibGfx: Remove ancient unused NO_FPU macros

Userland/Libraries/LibGfx/Gamma.h

@@ -34,19 +34,17 @@ namespace Gfx {
 
 using AK::SIMD::f32x4;
 
-#ifndef NO_FPU
-
-#    ifdef __SSE__
+#ifdef __SSE__
 
 // Transform f32x4 from gamma2.2 space to linear space
 // Assumes x is in range [0, 1]
 // FIXME: Remove this hack once clang-11 is available as the default in Github Actions.
 //        This is apparently sometime mid-December. https://github.com/actions/virtual-environments/issues/2130
-#        if !defined(__clang__) || __clang_major__ >= 11
+#    if !defined(__clang__) || __clang_major__ >= 11
 constexpr f32x4 gamma_to_linear4(f32x4 x)
-#        else
+#    else
 inline f32x4 gamma_to_linear4(f32x4 x)
-#        endif
+#    endif
 {
     return (0.8f + 0.2f * x) * x * x;
 }
@@ -69,7 +67,7 @@ inline f32x4 gamma_accurate_lerp4(f32x4 v1, f32x4 v2, float mix)
     return linear_to_gamma4(gamma_to_linear4(v1) * (1 - mix) + gamma_to_linear4(v2) * mix);
 }
 
-#    endif
+#endif
 
 // Transform scalar from gamma2.2 space to linear space
 // Assumes x is in range [0, 1]
@@ -100,7 +98,7 @@ inline float gamma_accurate_lerp(float v1, float v2, float mix)
 // The output is entirely a when mix = 0 and entirely b when mix = 1
 inline Color gamma_accurate_blend(Color a, Color b, float mix)
 {
-#    ifdef __SSE__
+#ifdef __SSE__
     f32x4 ac = {
         (float)a.red(),
         (float)a.green(),
@@ -113,15 +111,13 @@ inline Color gamma_accurate_blend(Color a, Color b, float mix)
     };
     f32x4 out = 255.f * gamma_accurate_lerp4(ac * (1.f / 255.f), bc * (1.f / 255.f), mix);
     return Color(out[0], out[1], out[2]);
-#    else
+#else
     return {
         static_cast<u8>(255.f * gamma_accurate_lerp(a.red() / 255.f, b.red() / 255.f, mix)),
         static_cast<u8>(255.f * gamma_accurate_lerp(a.green() / 255.f, b.green() / 255.f, mix)),
         static_cast<u8>(255.f * gamma_accurate_lerp(a.blue() / 255.f, b.blue() / 255.f, mix)),
     };
-#    endif
-}
-
 #endif
+}
 
 }

Userland/Libraries/LibGfx/Painter.cpp

@@ -228,10 +228,6 @@ void Painter::fill_rect_with_gradient(Orientation orientation, const IntRect& a_
         return;
     }
 
-#ifdef NO_FPU
-    return fill_rect(a_rect, gradient_start);
-#endif
-
     auto rect = to_physical(a_rect);
     auto clipped_rect = IntRect::intersection(rect, clip_rect() * scale());
     if (clipped_rect.is_empty())