chore: Reduce Dockerfile noise

Dockerfile.aarch64

@@ -4,8 +4,8 @@
 FROM ubuntu:bionic
 
 # install some basic packages
-RUN apt-get update &&
-  apt-get install -y --no-install-recommends \
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
 	build-essential \
 	curl \
 	git \
@@ -38,8 +38,8 @@ RUN apt-get update &&
 	libtool \
 	strace \
 	less \
-    libuv1-dev &&
-  rm -rf /var/lib/apt/lists/*
+	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
@@ -48,7 +48,7 @@ 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 |
+RUN curl https://sh.rustup.rs -sSf | \
 	sh -s -- --default-toolchain stable -y
 ENV PATH=/root/.cargo/bin:$PATH
 

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
-