moved dockerfile to root again

bsp_hosted/Dockerfile

@@ -1,18 +0,0 @@
-FROM ubuntu:latest
-# FROM alpine:latest
-
-RUN apt-get update && apt-get install -y cmake g++
-# RUN apk add cmake make g++
-
-WORKDIR /usr/src/app
-COPY . .
-
-RUN set -ex; \
-    rm -rf build-hosted; \
-    mkdir build-hosted; \
-    cd build-hosted; \
-    cmake -DCMAKE_BUILD_TYPE=Release -DOS_FSFW=host ..;
-
-ENTRYPOINT ["cmake", "--build", "build-hosted"]
-CMD ["-j"]
-# CMD ["bash"]