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

Author: hyperpolymath

.envrc

@@ -14,7 +14,6 @@ fi
 
 # Load Nix flake if flake.nix exists
 if has nix && [ -f flake.nix ]; then
-  use flake
 fi
 
 # Project environment variables

.github/workflows/governance.yml

@@ -14,4 +14,4 @@ permissions:
 
 jobs:
   governance:
-    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e
+    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e

.github/workflows/hypatia-scan.yml

@@ -17,4 +17,4 @@ permissions:
 
 jobs:
   scan:
-    uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e
+    uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e

.github/workflows/scorecard.yml

@@ -12,4 +12,4 @@ permissions:
 
 jobs:
   scorecard:
-    uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e
+    uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e

.github/workflows/static-analysis-gate.yml

@@ -326,4 +326,4 @@ jobs:
 
           Findings saved as \`unified-findings\` artifact.
           The gitbot-fleet scanner will ingest these on its next pass.
-          EOF
+          EOF