Move emit_telemetry out of entrypoint

Prepare for emit_telemetry to be invoked as an alternative entrypoint,
rather than as the last command in entrypoint.sh

Dockerfile

@@ -20,7 +20,7 @@ ENV LANGUAGE en_US.UTF-8
 ENV LC_ALL en_US.UTF-8
 
 COPY entrypoint.sh /entrypoint.sh
-COPY bin/emit_telemetry /emit_telemetry
+COPY emit_telemetry /emit_telemetry
 
 ENTRYPOINT ["/entrypoint.sh"]
 

entrypoint.sh

@@ -35,5 +35,3 @@ fi
 
 cd "$PAGES_GEM_HOME"
 $GITHUB_PAGES build "$VERBOSE" "$FUTURE" --source "$SOURCE_DIRECTORY" --destination "$DESTINATION_DIRECTORY"
-
-/emit_telemetry