Removed last few incorrect values from nwa3d profiles

resources/quality/nwa3d_a5/nwa3d_a5_best.inst.cfg

@@ -89,7 +89,6 @@ cool_fan_enabled = True
 cool_fan_speed = 100
 cool_fan_speed_0 = 0
 cool_fan_full_at_height = 0.24
-cool_fan_full_at_layer = 3
 cool_lift_head = False
 support_enable = True
 support_type = everywhere

resources/quality/nwa3d_a5/nwa3d_a5_fast.inst.cfg

@@ -89,7 +89,6 @@ cool_fan_enabled = True
 cool_fan_speed = 100
 cool_fan_speed_0 = 0
 cool_fan_full_at_height = 0.48
-cool_fan_full_at_layer = 2
 cool_lift_head = False
 support_enable = True
 support_type = everywhere

resources/quality/nwa3d_a5/nwa3d_a5_normal.inst.cfg

@@ -89,7 +89,6 @@ cool_fan_enabled = True
 cool_fan_speed = 100
 cool_fan_speed_0 = 0
 cool_fan_full_at_height = 0.32
-cool_fan_full_at_layer = 2
 cool_lift_head = False
 support_enable = True
 support_type = everywhere