Apple Silicon is now supported by Github

CONTRIBUTING.md

@@ -13,12 +13,6 @@ General guidance
   You can still add performance optimizations etc that take advantage of newer Bash features
   as long as there is a fallback execution route for Bash 3.
 
-* Be extra careful when submitting logic specific for the Apple Silicon platform
-
-  As of this writing, Github Actions do not support it and only one team member has the necessary hardware.
-  So we may be unable to test your changes and may have to take your word for it.
-
-
 Formatting PRs
 ==============
 

Dockerfile

@@ -1,35 +0,0 @@
-FROM ubuntu:18.04
-
-LABEL maintainer="Chris L. Barnes <chrislloydbarnes@gmail.com>"
-
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt-get update -y \
-    && apt-get install -y \
-        make \
-        build-essential \
-        libssl-dev \
-        zlib1g-dev \
-        libbz2-dev \
-        libreadline-dev \
-        libsqlite3-dev \
-        wget \
-        curl \
-        llvm \
-        libncurses5-dev \
-        libncursesw5-dev \
-        xz-utils \
-        tk-dev \
-        libffi-dev \
-        liblzma-dev \
-        python-openssl \
-        git \
-    && rm -rf /var/lib/apt/lists/*
-
-ENV PYENV_ROOT "/pyenv"
-ENV PATH "$PYENV_ROOT/bin:$PATH"
-
-COPY . /pyenv
-
-RUN eval "$(pyenv init -)"
-