remove NASM from readme and circleci

.circleci/config.yml

@@ -50,7 +50,7 @@ jobs:
             - v1-SRB2-APT
       - run:
           name: Install SDK
-          command: apt-get -o Dir::Cache="/root/.cache/apt" -qq -y --no-install-recommends install git build-essential nasm libpng-dev:i386 libsdl2-mixer-dev:i386 libgme-dev:i386 libcurl4-openssl-dev:i386 libopenmpt-dev:i386 gettext ccache wget gcc-multilib upx openssh-client
+          command: apt-get -o Dir::Cache="/root/.cache/apt" -qq -y --no-install-recommends install git build-essential libpng-dev:i386 libsdl2-mixer-dev:i386 libgme-dev:i386 libcurl4-openssl-dev:i386 libopenmpt-dev:i386 gettext ccache wget gcc-multilib upx openssh-client
       - run:
           name: make md5sum
           command: find /root/.cache/apt/archives -type f -print0 | sort -z | xargs -r0 md5sum > /root/.cache/apt_archives.md5

README.md

@@ -8,7 +8,6 @@
 [Sonic Robo Blast 2](https://srb2.org/) is a 3D Sonic the Hedgehog fangame based on a modified version of [Doom Legacy](http://doomlegacy.sourceforge.net/).
 
 ## Dependencies
-- NASM (x86 builds only)
 - SDL2 (Linux/OS X only)
 - SDL2-Mixer (Linux/OS X only)
 - libupnp (Linux/OS X only)