Upgrade A1 to use RMR library version 4.0.2

This picks up a fix to dynamic route-table distribution features.
Drop mention of ricmanifest from the installation guide.

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: I7e91b9bd4e7ee1eb8a2efb5056218c4d9c31dc3f
diff --git a/Dockerfile b/Dockerfile
index bd18fe7..c8ef420 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,12 +35,15 @@
 ###########
 # 2nd stage
 FROM python:3.8-alpine
+
+# copy rmr libraries from builder image in lieu of an Alpine package
+COPY --from=nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-alpine3-rmr:4.0.2 /usr/local/lib64/librmr* /usr/local/lib64/
+
 # dir that rmr routing file temp goes into
 RUN mkdir -p /opt/route/
 # python copy; this basically makes the 2 stage python build work
 COPY --from=compile-image /home/a1user/.local /home/a1user/.local
-# copy rmr .so from builder image in lieu of an Alpine package
-COPY --from=nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-alpine3-rmr:3.8.0 /usr/local/lib64/librmr_si.so /usr/local/lib64/librmr_si.so
+
 # Switch to a non-root user for security reasons. a1 does not currently write into any dirs so no chowns are needed at this time.
 RUN addgroup -S a1user && adduser -S -G a1user a1user
 USER a1user