Remove README comment about architecture mismatch on macos

utils/README-MacOS.txt

@@ -6,8 +6,3 @@ This folder contains audio plugins downloaded from https://github.com/DISTRHO/DP
 The included *.lv2 folders are LV2 bundles and the *.vst bundles are VSTs.
 Check your host documentation to know where to place these files.
 Note that most hosts support VST but not LV2.
-
-
-If your host is not listing these plugins, make sure the binaries you downloaded match your host architecture.
-32bit plugins go into 32bit hosts, same for 64bit.
-Some hosts are able to load plugins with different architecture, but that's the exception rather than the rule.