[Bug]: Server Docker image fails because of Unable to locate package software-properties-common #2982 (#2983)

Author: peterschmidt85

docker/server/release/Dockerfile

@@ -9,7 +9,6 @@ WORKDIR /dstack-server
 
 RUN apt-get update && apt-get install -y \
     curl \
-    software-properties-common \
     git \
     sqlite3 \
     && rm -rf /var/lib/apt/lists/*

docker/server/stgn/Dockerfile

@@ -7,7 +7,6 @@ WORKDIR /dstack-server
 
 RUN apt-get update && apt-get install -y \
     curl \
-    software-properties-common \
     git \
     sqlite3 \
     && rm -rf /var/lib/apt/lists/*