Revert "[xfail] swift-numerics"

Author: xymus

projects.json

@@ -3408,15 +3408,7 @@
       {
         "action": "BuildSwiftPackage",
         "configuration": "release",
-        "tags": "swiftpm",
-        "xfail": [
-            {
-                "issue": "rdar://96437311",
-                "compatibility": "5.0",
-                "branch": ["main"],
-                "job": ["source-compat"]
-            }
-        ]
+        "tags": "swiftpm"
       },
       {
         "action": "TestSwiftPackage"