Clean up unnecessary args

Author: joshuanianji

base-sha.Dockerfile

@@ -28,7 +28,6 @@ RUN apt-get update && \
     apt-get install -y git make gcc libgmp-dev curl
 
 ENV DEBIAN_FRONTEND noninteractive
-ARG IDRIS_VERSION
 # SHA of the latest commit on the idris-lang/idris2 repo
 ARG IDRIS_SHA
 
@@ -38,8 +37,6 @@ COPY --from=scheme-builder /root/scheme-lib/ /usr/lib/
 COPY --from=scheme-builder /root/scheme-lib/ /root/scheme-lib 
 
 WORKDIR /root
-# if IDRIS_VERSION is 'latest', do not switch to a branch. Checkout the latest commit - ensures docker cache won't use stale versions
-# https://stackoverflow.com/a/41361804
 RUN git clone https://github.com/idris-lang/Idris2.git && cd Idris2 && git checkout $IDRIS_SHA
 WORKDIR /root/Idris2 
 RUN make bootstrap SCHEME=scheme && make install
@@ -58,5 +55,4 @@ RUN make clean && make all && make install
 RUN make install-api
 
 # re-expose version information
-ENV IDRIS_VERSION=$IDRIS_VERSION
 ENV IDRIS_SHA=$IDRIS_SHA

devcontainer-sha.Dockerfile

@@ -54,7 +54,6 @@ FROM mcr.microsoft.com/vscode/devcontainers/base:bullseye
 
 ARG IDRIS_LSP_VERSION=latest
 ARG IDRIS_LSP_SHA
-ARG IDRIS_VERSION
 ARG IDRIS_SHA
 
 # idris2 + idris2-lsp compiled from source
@@ -72,6 +71,5 @@ ENV SCHEME=scheme
 # re-expose version information
 ENV IDRIS_LSP_VERSION=$IDRIS_LSP_VERSION
 ENV IDRIS_LSP_SHA=$IDRIS_LSP_SHA
-ENV IDRIS_VERSION=$IDRIS_VERSION
 ENV IDRIS_SHA=$IDRIS_SHA