Remove as causes useless errors

.gitea/workflows/main.yaml

@@ -1,23 +1,18 @@
-name: Gitea Actions Demo
-run-name: Build-Test bannertool
-on: [push]
-
-jobs:
-  Build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Install Tools
-        run: |
-          apt-get update -y
-          apt-get install build-essential cmake -y
-      - name: Build
-        run: |
-          cmake -B cmake-build-debug
-          cmake --build cmake-build-debug
-      - name: upload artifact 
-        uses: actions/upload-artifact@v2
-        with:
-          name: bannertool
-          path: cmake-build-debug/bannertool
+name: Gitea Actions Demo
+run-name: Build-Test bannertool
+on: [push]
+
+jobs:
+  Build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install Tools
+        run: |
+          apt-get update -y
+          apt-get install build-essential cmake -y
+      - name: Build
+        run: |
+          cmake -B cmake-build-debug
+          cmake --build cmake-build-debug