GHA: No need for OpenJDK 11 in the sysroot

Author: nicowilliams

.github/workflows/build-linux.yml

@@ -101,7 +101,7 @@ jobs:
             sudo debootstrap --arch=$(dpkg --print-architecture) focal sysroot-focal http://archive.ubuntu.com/ubuntu
           fi
           sudo chroot sysroot-focal apt-get update
-          sudo chroot sysroot-focal apt-get install -y build-essential git wget curl sudo unzip zip openjdk-11-jdk autoconf libfreetype6-dev libcups2-dev libx11-dev libxext-dev libxrender-dev libxrandr-dev libxtst-dev libxt-dev libasound2-dev libffi-dev file binutils libfontconfig-dev
+          sudo chroot sysroot-focal apt-get install -y build-essential git wget curl sudo unzip zip autoconf libfreetype6-dev libcups2-dev libx11-dev libxext-dev libxrender-dev libxrandr-dev libxtst-dev libxt-dev libasound2-dev libffi-dev file binutils libfontconfig-dev
           # If we really need gcc-10, we can get it from this PPA:
           sudo chroot sysroot-focal apt-get install -y software-properties-common
           sudo chroot sysroot-focal sudo add-apt-repository ppa:ubuntu-toolchain-r/test