chore: Reduce Dockerfile noise

Dockerfile.aarch64

@@ -4,42 +4,42 @@
 FROM ubuntu:bionic
 
 # install some basic packages
-RUN apt-get update &&
-  apt-get install -y --no-install-recommends \
-    build-essential \
-    curl \
-    git \
-    python3-dev \
-    python3-pip \
-    cmake \
-    ca-certificates \
-    libssl-dev \
-    pkg-config \
-    gcc \
-    g++ \
-    clang-8 \
-    clang-tools-8 \
-    llvm-8 \
-    llvm-8-dev \
-    libc++-dev \
-    libc++abi-dev \
-    lld-8 \
-    lldb-8 \
-    libclang-8-dev \
-    libclang-common-8-dev \
-    vim \
-    apache2 \
-    subversion \
-    libapache2-mod-svn \
-    libsvn-dev \
-    binutils-dev \
-    build-essential \
-    automake \
-    libtool \
-    strace \
-    less \
-    libuv1-dev &&
-  rm -rf /var/lib/apt/lists/*
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
+	build-essential \
+	curl \
+	git \
+	python3-dev \
+	python3-pip \
+	cmake \
+	ca-certificates \
+	libssl-dev \
+	pkg-config \
+	gcc \
+	g++ \
+	clang-8 \
+	clang-tools-8 \
+	llvm-8 \
+	llvm-8-dev \
+	libc++-dev \
+	libc++abi-dev \
+	lld-8 \
+	lldb-8 \
+	libclang-8-dev \
+	libclang-common-8-dev \
+	vim \
+	apache2 \
+	subversion \
+	libapache2-mod-svn \
+	libsvn-dev \
+	binutils-dev \
+	build-essential \
+	automake \
+	libtool \
+	strace \
+	less \
+	libuv1-dev \
+	&& rm -rf /var/lib/apt/lists/*
 
 # set to use our installed clang version
 RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-8 100
@@ -48,8 +48,8 @@ RUN update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm
 # set LD_LIBRARY_PATH
 ENV LD_LIBRARY_PATH=/usr/local/lib
 
-RUN curl https://sh.rustup.rs -sSf |
-  sh -s -- --default-toolchain stable -y
+RUN curl https://sh.rustup.rs -sSf | \
+	sh -s -- --default-toolchain stable -y
 ENV PATH=/root/.cargo/bin:$PATH
 
 RUN rustup component add rustfmt

Dockerfile.x86_64

@@ -62,4 +62,3 @@ RUN curl -sS -L -O https://github.com/CraneStation/wasi-sdk/releases/download/wa
 
 ENV WASI_SDK=/opt/wasi-sdk
 ENV PATH=/opt/sledge/bin:$PATH
-