configs: scrub strictPQTimestamp from all upgrade.json

The strictPQTimestamp networkUpgradeOverride drove the EVM strict-PQ
precompile-refusal gate, which is removed (luxfi/evm enable-everything:
the field no longer exists on extras.NetworkUpgrades, so it is silently
ignored). Drop it from every env's upgrade.json so the canonical config
matches the new policy — builder precompile surface enables everything;
Lux PQ security is at consensus, not by refusing EVM verifiers.

configs/devnet/upgrade.json

@@ -1,12 +1,11 @@
 {
-  "_comment": "Devnet upgrade.json \u2014 Quasar Edition active from genesis (block 0). All PQ precompiles active from genesis; no forward-dated strict-PQ gate (devnet is the always-current-canary).",
+  "_comment": "Devnet upgrade.json — Quasar Edition active from genesis (block 0). All PQ precompiles active from genesis; no forward-dated strict-PQ gate (devnet is the always-current-canary).",
   "networkUpgradeOverrides": {
     "evmTimestamp": 0,
     "durangoTimestamp": 0,
     "quasarTimestamp": 0,
     "fortunaTimestamp": 0,
-    "graniteTimestamp": 0,
-    "strictPQTimestamp": 0
+    "graniteTimestamp": 0
   },
   "precompileUpgrades": [
     {

configs/local/upgrade.json

@@ -1,12 +1,11 @@
 {
-  "_comment": "Local upgrade.json \u2014 single-node dev (networkID=1337, EVM chainID=31337). Mirror of localnet/upgrade.json; the two envs are aliases (local = LocalID, localnet = deprecated alias).",
+  "_comment": "Local upgrade.json — single-node dev (networkID=1337, EVM chainID=31337). Mirror of localnet/upgrade.json; the two envs are aliases (local = LocalID, localnet = deprecated alias).",
   "networkUpgradeOverrides": {
     "evmTimestamp": 0,
     "durangoTimestamp": 0,
     "quasarTimestamp": 0,
     "fortunaTimestamp": 0,
-    "graniteTimestamp": 0,
-    "strictPQTimestamp": 0
+    "graniteTimestamp": 0
   },
   "precompileUpgrades": [
     {

configs/localnet/upgrade.json

@@ -1,12 +1,11 @@
 {
-  "_comment": "Localnet upgrade.json \u2014 single-node dev (networkID=1337). Everything active from genesis. No PQ-strict gate (localnet is a 1-of-1 testbed).",
+  "_comment": "Localnet upgrade.json — single-node dev (networkID=1337). Everything active from genesis. No PQ-strict gate (localnet is a 1-of-1 testbed).",
   "networkUpgradeOverrides": {
     "evmTimestamp": 0,
     "durangoTimestamp": 0,
     "quasarTimestamp": 0,
     "fortunaTimestamp": 0,
-    "graniteTimestamp": 0,
-    "strictPQTimestamp": 0
+    "graniteTimestamp": 0
   },
   "precompileUpgrades": [
     {

configs/mainnet/upgrade.json

@@ -4,8 +4,7 @@
     "durangoTimestamp": 0,
     "quasarTimestamp": 0,
     "fortunaTimestamp": 0,
-    "graniteTimestamp": 0,
-    "strictPQTimestamp": 1766708400
+    "graniteTimestamp": 0
   },
   "precompileUpgrades": [
     {

configs/testnet/upgrade.json

@@ -4,8 +4,7 @@
     "durangoTimestamp": 0,
     "quasarTimestamp": 0,
     "fortunaTimestamp": 0,
-    "graniteTimestamp": 0,
-    "strictPQTimestamp": 1766708400
+    "graniteTimestamp": 0
   },
   "precompileUpgrades": [
     {