Bug 1615021 - Add XPI form of calendar extension to removed-files. r=darktrojan DONTBUILD

The updater is not removing the XPI form of the calendar extension when updating
from older versions.

--HG--
extra : rebase_source : 771f7f9413b83c20d23024f0425c98f9cd4681c2
extra : amend_source : 15caffc02fcae1d6591c1c9c4797202d7f97c3be

mail/installer/removed-files.in

@@ -70,14 +70,16 @@
 
 # Since then, the following were added:
 
-# Remove unpacked lightning extension.
+# Remove lightning extension.
 #ifdef NIGHTLY_BUILD
 @DIR_RESOURCES@extensions/
 @DIR_RESOURCES@extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/*
+@DIR_RESOURCES@extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi
 #else
 @DIR_RESOURCES@distribution/
 @DIR_RESOURCES@distribution/extensions/
 @DIR_RESOURCES@distribution/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/*
+@DIR_RESOURCES@distribution/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi
 #endif
 
 # Remove erroneous files left over from broken Mac signing process