docker: remove broken dockerfiles, add a dockerignore so images aren't 40GB large

.dockerignore

@@ -0,0 +1,8 @@
+.cache/
+.git/
+build/
+decompiler_out/
+failures/
+iso_data/
+out/
+log/

docker/Arch/Dockerfile

@@ -1,28 +0,0 @@
-FROM archlinux:latest
-
-RUN pacman -Syyu --noconfirm --needed cmake libpulse base-devel nasm python git libx11 libxrandr libxinerama libxcursor libxi
-
-# makepkg user and workdir
-ARG user=jak
-RUN useradd --system --create-home $user \
-  && echo "$user ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers.d/$user
-USER $user
-WORKDIR /home/$user
-
-# Install yay
-RUN git clone https://aur.archlinux.org/yay.git \
-  && cd yay \
-  && makepkg -sri --needed --noconfirm \
-  && cd \
-  # Clean up
-  && rm -rf .cache yay
-
-RUN yay --noconfirm -S go-task
-
-RUN mkdir /home/$user/jak-project/
-COPY --chown=jak:jak . /home/$user/jak-project
-RUN git config --global --add safe.directory /home/jak/jak-project
-
-WORKDIR /home/$user/jak-project
-
-RUN cmake -B build && cmake --build build -j 8

docker/Fedora/Dockerfile

@@ -1,20 +0,0 @@
-FROM fedora:latest
-
-RUN dnf install -y curl cmake python lld clang nasm libX11-devel libXrandr-devel libXinerama-devel libXcursor-devel libXi-devel pulseaudio-libs-devel
-RUN sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b /usr/local/bin
-
-ARG user=jak
-
-RUN useradd -m -d /home/${user} ${user}
-
-USER $user
-
-WORKDIR /home/$user
-
-RUN mkdir /home/$user/jak-project/
-COPY --chown=jak:jak . /home/$user/jak-project
-
-WORKDIR /home/$user/jak-project
-
-RUN cmake -DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=lld" -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -B build
-RUN cmake --build build -j$(nproc)