Revert "capture sharpening: early exit if Autocontrast is changed from true to false, #5412"

This reverts commit b72d4e27eb.

rtengine/rawimagesource.h

@@ -94,7 +94,6 @@ protected:
     array2D<float>* redCache;
     // the interpolated blue plane:
     array2D<float>* blueCache;
-    bool captureSharpeningAutoContrast;
     bool rawDirty;
     float psRedBrightness[4];
     float psGreenBrightness[4];