Removing NMR1 from PLATFORM_VERSION_ALL_CODENAMES

This is no longer needed

Bug: 30734691
Test: Compiled
Change-Id: I3ba0732ba6e84fbd697cedd90b16bb558863d29b
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 894e2cb..7d5b5e6 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -75,7 +75,7 @@
   # This is all of the development codenames that are active.  Should be either
   # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
   # codenames after PLATFORM_VERSION_CODENAME.
-  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME),NMR1
+  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
 endif
 
 ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"