Removed platform condition to always generate cmd and sh test scripts regardless of platform.

Author: ivdiazsa

src/coreclr/tests/src/CLRTest.Execute.targets

@@ -58,8 +58,8 @@ This file contains the logic for providing Execution Script generation.
   -->
 
   <ItemGroup>
-    <ExecutionScriptKind Include="Batch" Condition="'$(BuildOS)' == 'Windows_NT'" />
-    <ExecutionScriptKind Include="Bash" Condition="'$(BuildOS)' != 'Windows_NT'" />
+    <ExecutionScriptKind Include="Batch" />
+    <ExecutionScriptKind Include="Bash" />
   </ItemGroup>
 
   <PropertyGroup>