Remove GCC reflection branch build (#48)

See compiler-explorer/compiler-explorer#8389

Signed-off-by: Marc Poulhiès <dkm@kataplop.net>

Author: dkm

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

@@ -60,7 +60,6 @@
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_lambda_p2034.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_lambda_p2034.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_lambda_p2034)![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_lambda_p2034)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_modules.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_modules.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_modules)![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_modules)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_p1144.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_p1144.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_p1144)![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_p1144)
-* [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_reflection.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_reflection.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_reflection)![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_reflection)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_thomas_healy.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_thomas_healy.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_thomas_healy)![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_thomas_healy)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_trivial_relocation.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-gcc_trivial_relocation.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_trivial_relocation)![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_trivial_relocation)
 * [![Status](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-go.yml/badge.svg)](https://github.com/compiler-explorer/compiler-workflows/actions/workflows//build-daily-go.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%2Fgo)![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%2Fgo)

build-status.md

@@ -18,7 +18,6 @@ compilers:
     - { image: gcc, name: gcc_gccrs_master, args: gccrs-master }
     - { image: gcc, name: gcc_modules, args: cxx-modules-trunk }
     - { image: gcc, name: gcc_p1144, args: p1144-trunk }
-    - { image: gcc, name: gcc_reflection, args: reflection-trunk }
     - { image: gcc, name: gcc_thomas_healy, args: thomas-healy-trunk }
     - { image: clang, name: clang }
     - { image: clang, name: clang_amdgpu, args: rocm-trunk }