chore(venues): update incorrect venues pointing at CLB (#4196)

* update lt35

* update ddl2-1

Author: ravern

website/src/data/venues.json

@@ -4943,8 +4943,8 @@
     "roomName": "LT35",
     "floor": 1,
     "location": {
-      "x": 103.77326933994733,
-      "y": 1.296587176242994
+      "x": 103.781738,
+      "y": 1.295310
     }
   },
   "ERC-SR1": {
@@ -5215,8 +5215,8 @@
     "roomName": "DDL2",
     "floor": 1,
     "location": {
-      "x": 103.77327470244661,
-      "y": 1.2963404761831323
+      "x": 103.770599,
+      "y": 1.300340
     }
   },
   "YSTCM-HALL": {