memora: Makefile changes do not trigger recompilation

Memora.yml

@@ -7,29 +7,25 @@ cache_root_dir: /usr/scratch2/larain1/matheusd/gitlabci/buildcache/spatz
 artifacts:
   tc-riscv-gcc:
     inputs:
-      - Makefile
       - sw/toolchain/riscv-gnu-toolchain.version
     outputs:
       - install/riscv-gcc
 
   tc-llvm:
     inputs:
-      - Makefile
       - sw/toolchain/llvm-project.version
     outputs:
       - install/llvm
 
   riscv-isa-sim:
     inputs:
-      - Makefile
       - sw/toolchain/riscv-isa-sim.version
       - sw/toolchain/riscv-opcodes.version
     outputs:
       - install/riscv-isa-sim
 
   verilator:
     inputs:
-      - Makefile
       - sw/toolchain/verilator.version
     outputs:
       - install/verilator