refactor baseline

Author: collin5

tests/baselines/reference/dynamicNamesErrors.errors.txt

@@ -1,5 +1,5 @@
-tests/cases/compiler/dynamicNamesErrors.ts(5,5): error TS2718: Duplicate declaration '[c0]'.
-tests/cases/compiler/dynamicNamesErrors.ts(6,5): error TS2718: Duplicate declaration '[c0]'.
+tests/cases/compiler/dynamicNamesErrors.ts(5,5): error TS2718: Duplicate property '1'.
+tests/cases/compiler/dynamicNamesErrors.ts(6,5): error TS2718: Duplicate property '1'.
 tests/cases/compiler/dynamicNamesErrors.ts(19,5): error TS2717: Subsequent property declarations must have the same type.  Property '[c1]' must be of type 'number', but here has type 'string'.
 tests/cases/compiler/dynamicNamesErrors.ts(24,1): error TS2322: Type 'T2' is not assignable to type 'T1'.
   Types of property '[c0]' are incompatible.
@@ -16,10 +16,10 @@ tests/cases/compiler/dynamicNamesErrors.ts(25,1): error TS2322: Type 'T1' is not
     interface T0 {
         [c0]: number;
         ~~~~
-!!! error TS2718: Duplicate declaration '[c0]'.
+!!! error TS2718: Duplicate property '1'.
         1: number;
         ~
-!!! error TS2718: Duplicate declaration '[c0]'.
+!!! error TS2718: Duplicate property '1'.
     }
 
     interface T1 {