Reduce firmware size for dztech/dz60rgb_wkl/v2_1:via (#16254)

keyboards/dztech/dz60rgb_wkl/v2_1/config.h

@@ -86,7 +86,7 @@
 #    define ENABLE_RGB_MATRIX_HUE_PENDULUM
 #    define ENABLE_RGB_MATRIX_HUE_WAVE
 #    define ENABLE_RGB_MATRIX_PIXEL_RAIN
-#    define ENABLE_RGB_MATRIX_PIXEL_FLOW
+// #    define ENABLE_RGB_MATRIX_PIXEL_FLOW
 #    define ENABLE_RGB_MATRIX_PIXEL_FRACTAL
 // enabled only if RGB_MATRIX_FRAMEBUFFER_EFFECTS is defined
 #    define ENABLE_RGB_MATRIX_TYPING_HEATMAP