Clarified some comments regarding the removal of the embedded VST2 SDK

BREAKING-CHANGES.txt

@@ -44,7 +44,8 @@ Workaround
 ----------
 1. The VST2 SDK can be obtained from the vstsdk3610_11_06_2018_build_37 (or
    older) VST3 SDK or JUCE version 5.3.2. You should put the VST2 SDK in your
-   header search paths.
+   header search paths or use the "VST (Legacy) SDK Folder" fields in the
+   Projucer.
 2. For new plug-in projects where you will be releasing both a VST2 and VST3
    version, and you want the VST3 plug-in to replace the VST2 plug-in in
    hosts that support it, then you should enable the JUCE_VST3_CAN_REPLACE_VST2

modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp

@@ -88,9 +88,10 @@ namespace Vst2
 {
 // If the following files cannot be found then you are probably trying to build
 // a VST2 plug-in or a VST2-compatible VST3 plug-in. To do this you must have a
-// VST2 SDK in your header search path. The VST2 SDK can be obtained from the
-// vstsdk3610_11_06_2018_build_37 (or older) VST3 SDK or JUCE version 5.3.2.
-// You also need a VST2 license from Steinberg to distribute VST2 plug-ins.
+// VST2 SDK in your header search paths or use the "VST (Legacy) SDK Folder"
+// field in the Projucer. The VST2 SDK can be obtained from the
+// vstsdk3610_11_06_2018_build_37 (or older) VST3 SDK or JUCE version 5.3.2. You
+// also need a VST2 license from Steinberg to distribute VST2 plug-ins.
 #include "pluginterfaces/vst2.x/aeffect.h"
 #include "pluginterfaces/vst2.x/aeffectx.h"
 }

modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp

@@ -43,8 +43,9 @@ namespace Vst2
 {
 // If the following files cannot be found then you are probably trying to host
 // VST2 plug-ins. To do this you must have a VST2 SDK in your header search
-// path. The VST2 SDK can be obtained from the vstsdk3610_11_06_2018_build_37
-// (or older) VST3 SDK or JUCE version 5.3.2.
+// paths or use the "VST (Legacy) SDK Folder" field in the Projucer. The VST2
+// SDK can be obtained from the vstsdk3610_11_06_2018_build_37 (or older) VST3
+// SDK or JUCE version 5.3.2.
 #include <pluginterfaces/vst2.x/aeffect.h>
 #include <pluginterfaces/vst2.x/aeffectx.h>
 }