Remove build of out-of-tree Algol68

refs compiler-explorer/compiler-explorer#8310

Signed-off-by: Marc Poulhiès <[email protected]>

Author: dkm

.github/workflows/build-daily-gcc_algol68_master.yml

@@ -46,7 +46,6 @@
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-dotnet.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-dotnet.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fdotnet)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fdotnet)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-dxc.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-dxc.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fdxc)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fdxc)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc)
-* [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_algol68_master.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_algol68_master.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_algol68_master)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_algol68_master)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_cobol_master.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_cobol_master.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_cobol_master)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_cobol_master)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_contracts.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_contracts.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_contracts)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_contracts)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_contracts_base.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_contracts_base.yml)![Last success](https://img.shields.io/badge/dynamic/json?color=success&label=Last+OK&query=%24.last_success.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_contracts_base)![Last build](https://img.shields.io/badge/dynamic/json?color=yellow&label=Last+build&query=%24.last_build.timestamp&url=https%3A%2F%2Flambda.compiler-explorer.com%2Fcompiler-build%2Fgcc_contracts_base)

build-status.md

@@ -7,7 +7,6 @@ compilers:
     - { image: clang, name: llvm, args: llvm-trunk }
     - { image: gcc, name: gcc }
     - { image: gcc, name: gcc_cobol_master, args: cobol-master }
-    - { image: gcc, name: gcc_algol68_master, args: algol68-master }
     - { image: gcc, name: gcc_contracts, args: lock3-contracts-trunk }
     - { image: gcc, name: gcc_contracts_labels, args: lock3-contracts-labels-trunk }
     - { image: gcc, name: gcc_contracts_nonattr, args: contracts-nonattr-trunk }