feat!: remove big bang extension

.github/workflows/test-shim.yml

@@ -103,13 +103,6 @@ jobs:
         run: |
           echo skipped
 
-  validate-bigbang:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Skipped
-        run: |
-          echo skipped
-
   validate-external:
     runs-on: ubuntu-latest
     steps:

Makefile

@@ -210,7 +210,7 @@ test-upgrade: ## Run the Zarf CLI E2E tests for an external registry and cluster
 
 .PHONY: test-unit
 test-unit: ## Run unit tests
-	go test -failfast -v -coverprofile=coverage.out -covermode=atomic $$(go list ./... | grep -v '^github.com/zarf-dev/zarf/src/test' | grep -v 'github.com/zarf-dev/zarf/src/extensions/bigbang/test')
+	go test -failfast -v -coverprofile=coverage.out -covermode=atomic $$(go list ./... | grep -v '^github.com/zarf-dev/zarf/src/test')
 
 # INTERNAL: used to test that a dev has ran `make docs-and-schema` in their PR
 test-docs-and-schema: