Revert "Fix undefined behaviour by allowing NaNs"

This reverts commit 8b95b2a.

Reason for revert: Amber verify failures on main

Components: Vulkan
VK-GL-CTS Issue: 3787

Affects:
dEQP-VK.graphicsfuzz.cov-instruction-simplify-atanh-log-undefined

Change-Id: Ifdf1a47a32091182fa51353748ffcf4eeab92d51
(cherry picked from commit a554b6f)

external/vulkancts/data/vulkan/amber/graphicsfuzz/cov-instruction-simplify-atanh-log-undefined.amber

@@ -56,21 +56,17 @@ SHADER vertex variant_vertex_shader PASSTHROUGH
 #         _GLF_color.g = _float_0_0;
 #     }
 # }
-DEVICE_EXTENSION VK_KHR_shader_float_controls
 SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
 ; SPIR-V
 ; Version: 1.0
 ; Generator: Khronos Glslang Reference Front End; 8
 ; Bound: 57
 ; Schema: 0
                OpCapability Shader
-               OpCapability SignedZeroInfNanPreserve
-               OpExtension "SPV_KHR_float_controls"
           %1 = OpExtInstImport "GLSL.std.450"
                OpMemoryModel Logical GLSL450
                OpEntryPoint Fragment %4 "main" %9
                OpExecutionMode %4 OriginUpperLeft
-               OpExecutionMode %4 SignedZeroInfNanPreserve 32
                OpSource ESSL 310
                OpName %4 "main"
                OpName %9 "_GLF_color"