Fix .gitlab-ci.yml file

.gitlab-ci.yml

@@ -1,19 +1,13 @@
 image: ubuntu
 
 stages:
-  - tools
   - build
 
-tools-job:
-  stage: tools
-  script:
-    - echo "Installing dependencies..."
-    - apt update && apt install -y make iverilog gcc-8-riscv64-linux-gnu
-    - echo "Done"
-
 build-job:
   stage: build
   script:
+    - echo "Installing dependencies..."
+    - apt update && apt install -y make iverilog gcc-8-riscv64-linux-gnu
     - echo "Compiling the code..."
     - make sim
     - echo "Compile complete."