hugo: rm section on alternative resolution fcts, was a misunderstanding

hugo/content/ref/instr/det/resolution/index.md

@@ -8,7 +8,7 @@ weight = 20
 If a detector has a resolution function, then the simulated intensity map
 is blurred by convolution with that function.
 
-Currently, only Gaussian resolution functions are fully supported.
+Currently, only Gaussian resolution functions are supported.
 
 ## Gaussian distribution
 
@@ -20,10 +20,3 @@ detector.setResolutionFunction(resol)
 ```
 
 For an example, see [resolution 2d example](/ex/instr/resol/2d).
-
-## Generic convolution
-
-For other resolution profile, there is a class
-[ConvolutionDetectorResolution]({{% url-src %}}/Device/Resolution/ConvolutionDetectorResolution.h).
-This is an experimental feature, and there is no Python usage example yet.
-If this functionality is important for you, then please tell us.
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