Bug 1891452 - Port Bug 1867423: Change -nopie flag to -no-pie for Clang 18. r=rjl

Differential Revision: https://phabricator.services.mozilla.com/D210720

--HG--
extra : moz-landing-system : lando

mail/app/no-pie/moz.build

@@ -17,8 +17,6 @@ CFLAGS += [
 
 # Use OS_LIBS instead of LDFLAGS to "force" the flag to come after -pie
 # from MOZ_PROGRAM_LDFLAGS.
-if CONFIG["CC_TYPE"] == "clang":
-    # clang < 5.0 doesn't support -no-pie.
-    OS_LIBS += ["-nopie"]
-else:
-    OS_LIBS += ["-no-pie"]
+OS_LIBS += [
+    "-no-pie",
+]