Consolidate package list

- Remove unnecessary packages
- Sort packages alphabetically

Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>

test/docker/ubuntu1804

@@ -4,14 +4,11 @@ ENV DEBIAN_FRONTEND noninteractive
 
 RUN apt-get update
 RUN apt-get install -y \
-            build-essential \
             cmake \
+            g++ \
             git \
-            uuid-dev \
-            libgnutls28-dev \
-            libfaketime \
-            man \
             locales \
+            man \
             python3 \
             python3-dateutil \
             tzdata