DEV: Remove install-imagemagick script (#15768)

Seems to be accidentally added in #14338?

install-imagemagick

@@ -1,86 +0,0 @@
-#!/bin/bash
-set -e
-
-# version check: https://github.com/ImageMagick/ImageMagick/releases
-IMAGE_MAGICK_VERSION="7.0.11-13"
-IMAGE_MAGICK_HASH="fc454be622724c6224fa6c8230bb9c50191a05fbf05b9c9c25aa3e5497090b83"
-
-# version check: https://github.com/strukturag/libheif/releases
-LIBHEIF_VERSION="1.12.0"
-LIBHEIF_HASH="086145b0d990182a033b0011caadb1b642da84f39ab83aa66d005610650b3c65"
-
-# version check: https://aomedia.googlesource.com/aom
-LIB_AOM_VERSION="3.1.0"
-
-# We use debian, but GitHub CI is stuck on Ubuntu Bionic, so this must be compatible with both
-LIBJPEGTURBO=$(cat /etc/issue | grep -qi Debian && echo 'libjpeg62-turbo libjpeg62-turbo-dev' || echo 'libjpeg-turbo8 libjpeg-turbo8-dev')
-
-PREFIX=/usr/local
-WDIR=/tmp/imagemagick
-
-# Install build deps
-apt -y -q remove imagemagick
-apt -y -q install git make gcc pkg-config autoconf curl g++ \
-    yasm cmake \
-    libde265-0 libde265-dev ${LIBJPEGTURBO} x265 libx265-dev libtool \
-    libpng16-16 libpng-dev ${LIBJPEGTURBO} libwebp6 libwebp-dev libgomp1 libwebpmux3 libwebpdemux2 ghostscript libxml2-dev libxml2-utils \
-    libbz2-dev gsfonts libtiff-dev libfreetype6-dev libjpeg-dev
-
-mkdir -p $WDIR
-cd $WDIR
-
-# Building libaom
-git clone https://aomedia.googlesource.com/aom
-cd aom && git checkout v${LIB_AOM_VERSION} && cd ..
-mkdir build_aom
-cd build_aom
-cmake ../aom/ -DENABLE_TESTS=0 -DBUILD_SHARED_LIBS=1 && make && make install
-ldconfig /usr/local/lib
-cd ..
-rm -rf aom
-rm -rf build_aom
-
-# Build and install libheif
-cd $WDIR
-wget -O $WDIR/libheif.tar.gz "https://github.com/strukturag/libheif/archive/v$LIBHEIF_VERSION.tar.gz"
-sha256sum $WDIR/libheif.tar.gz
-echo "$LIBHEIF_HASH $WDIR/libheif.tar.gz" | sha256sum -c
-tar -xzvf $WDIR/libheif.tar.gz
-cd libheif-$LIBHEIF_VERSION
-./autogen.sh
-./configure
-make && make install
-
-# Build and install ImageMagick
-wget -O $WDIR/ImageMagick.tar.gz "https://github.com/ImageMagick/ImageMagick/archive/$IMAGE_MAGICK_VERSION.tar.gz"
-sha256sum $WDIR/ImageMagick.tar.gz
-echo "$IMAGE_MAGICK_HASH $WDIR/ImageMagick.tar.gz" | sha256sum -c
-IMDIR=$WDIR/$(tar tzf $WDIR/ImageMagick.tar.gz --wildcards "ImageMagick-*/configure" |cut -d/ -f1)
-tar zxf $WDIR/ImageMagick.tar.gz -C $WDIR
-cd $IMDIR
-PKG_CONF_LIBDIR=$PREFIX/lib LDFLAGS=-L$PREFIX/lib CFLAGS=-I$PREFIX/include ./configure \
-          --prefix=$PREFIX \
-          --enable-static \
-          --enable-bounds-checking \
-          --enable-hdri \
-          --enable-hugepages \
-          --with-threads \
-          --with-modules \
-          --with-quantum-depth=16 \
-          --without-magick-plus-plus \
-          --with-bzlib \
-          --with-zlib \
-          --without-autotrace \
-          --with-freetype \
-          --with-jpeg \
-          --without-lcms \
-          --with-lzma \
-          --with-png \
-          --with-tiff \
-          --with-heic \
-          --with-webp
-make all && make install
-
-cd $HOME
-rm -rf $WDIR
-ldconfig /usr/local/lib