Remove unused diagnostic 2346 (#54442)

Author: Andarist

src/compiler/checker.ts

@@ -33171,12 +33171,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
         const candidates = candidatesOutArray || [];
         // reorderCandidates fills up the candidates array directly
         reorderCandidates(signatures, candidates, callChainFlags);
-        if (!candidates.length) {
-            if (reportErrors) {
-                diagnostics.add(getDiagnosticForCallNode(node, Diagnostics.Call_target_does_not_contain_any_signatures));
-            }
-            return resolveErrorCall(node);
-        }
+        Debug.assert(candidates.length, "Revert #54442 and add a testcase with whatever triggered this");
 
         const args = getEffectiveCallArguments(node);
 

src/compiler/diagnosticMessages.json

@@ -1860,10 +1860,6 @@
         "category": "Error",
         "code": 2345
     },
-    "Call target does not contain any signatures.": {
-        "category": "Error",
-        "code": 2346
-    },
     "Untyped function calls may not accept type arguments.": {
         "category": "Error",
         "code": 2347