chore: clean up some leftover comments

barretenberg/sol/Dockerfile

@@ -24,8 +24,6 @@ COPY ./cpp .
 # Build everything to ensure everything builds. All tests will be run from the result of this build.
 RUN cmake --preset clang16  && cmake --build --preset clang16 --target solidity_key_gen solidity_proof_gen
 
-# FROM docker.io/frolvlad/alpine-glibc:alpine-3.17_glibc-2.34 as builder
-# RUN apk update && apk add git curl build-base openmp-dev bash
 FROM ubuntu:lunar
 RUN apt update && apt install -y \
   build-essential \
@@ -39,8 +37,7 @@ COPY --from=builder /usr/src/barretenberg/cpp/srs_db /usr/src/barretenberg/cpp/s
 WORKDIR /usr/src/barretenberg/sol
 COPY ./sol .
 
-# Copy forge binary directly from foundry
-# COPY --from=ghcr.io/foundry-rs/foundry:latest /usr/local/bin/forge /usr/local/bin/forge
+# Download and install foundry
 RUN curl -L https://foundry.paradigm.xyz | bash
 ENV PATH="${PATH}:/root/.foundry/bin"
 RUN foundryup