remove dependency to MariaDB

kontor-api/Dockerfile

@@ -1,8 +1,7 @@
 ## ------------------------------- Builder Stage ------------------------------ ## 
 FROM python:3.13-bookworm AS builder
 
-RUN apt-get update && apt-get install --no-install-recommends -y \
-        build-essential libmariadb-dev && \
+RUN apt-get update && apt-get install --no-install-recommends -y build-essential  && \
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # Download the latest installer, install it and then remove it
@@ -42,7 +41,6 @@ WORKDIR /app
 
 COPY /src src
 COPY --from=builder /app/.venv .venv
-COPY --from=builder /usr/lib/x86_64-linux-gnu/libmariadb.so.3 /usr/lib/x86_64-linux-gnu
 
 # Set up environment variables for production
 ENV PATH="/app/.venv/bin:$PATH"