Revert "Temporarily skip publishing spring-cloud-function-parent since it is already in maven central"

This reverts commit 097ad16.

Author: spencergibb

pom.xml

@@ -194,7 +194,6 @@
 						<configuration>
 							<excludeArtifacts>
 								<artifact>spring-cloud-function-samples</artifact>
-								<artifact>spring-cloud-function-parent</artifact>
 							</excludeArtifacts>
 						</configuration>
 					</plugin>