Revert "Ignoring test regression runtime_63354 in x86 (#79358)"

This reverts commit 1dec648.

Author: BrianBohe

src/tests/issues.targets

@@ -280,9 +280,6 @@
         <ExcludeList Include="$(XunitTestBinBase)/JIT/Regression/JitBlue/Runtime_31615/Runtime_31615/*">
             <Issue>https://github.com/dotnet/runtime/issues/79170</Issue>
         </ExcludeList>
-        <ExcludeList Include="$(XunitTestBinBase)/JIT/Regression/JitBlue/Runtime_63354/Runtime_63354/**">
-            <Issue>https://github.com/dotnet/runtime/issues/78898</Issue>
-        </ExcludeList>
     </ItemGroup>
 
     <!-- Windows arm32 specific excludes -->