Update platform.ts

Author: SydneyhSmith

src/platform.ts

@@ -104,12 +104,11 @@ export function getDefaultPowerShellPath(
                 return platformDetails.isOS64Bit && platformDetails.isProcess64Bit
                         ? SysWow64PowerShellPath
                         : System32PowerShellPath;
-        } else {
+        }
                 return !platformDetails.isOS64Bit || platformDetails.isProcess64Bit
                         ? System32PowerShellPath
                         : SysnativePowerShellPath;
-        }
-    } else if (platformDetails.operatingSystem === OperatingSystem.MacOS) {
+    } if (platformDetails.operatingSystem === OperatingSystem.MacOS) {
         // Always default to the stable version of PowerShell (if installed) but handle case of only Preview installed
         powerShellExePath = macOSExePath;
         if (!fs.existsSync(macOSExePath) && fs.existsSync(macOSPreviewExePath)) {