chore(nix->guix): delete Nix estate-wide (#138) (#105)

Automated sweep to eradicate Nix from the estate as Guix is now the sole
reproducible environment.

Author: hyperpolymath

.github/workflows/governance.yml

@@ -32,4 +32,4 @@ permissions:
 
 jobs:
   governance:
-    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
+    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329

.github/workflows/hypatia-scan.yml

@@ -27,4 +27,4 @@ permissions:
 jobs:
   hypatia:
     uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
-    secrets: inherit
+    secrets: inherit

.github/workflows/instant-sync.yml

@@ -76,4 +76,4 @@ jobs:
             echo "❌ $missing contractiles missing"
             exit 1
           fi
-          echo "✅ All contractiles present"
+          echo "✅ All contractiles present"

.github/workflows/scorecard.yml

@@ -15,4 +15,4 @@ jobs:
       security-events: write
       id-token: write
     uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
-    secrets: inherit
+    secrets: inherit

.github/workflows/secret-scanner.yml

@@ -21,4 +21,4 @@ jobs:
       pull-requests: write
       actions: read
     uses: hyperpolymath/standards/.github/workflows/secret-scanner-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
-    secrets: inherit
+    secrets: inherit