Revert "edk2: Suppress LinuxLoaderLib warning through wrapper"

With commit:800e039d7f126728b96c85945a97380050526134 (QcomModulePkg: Fix
build failure because of access an invalid value), this suppression in
wrapper script is no longer needed.

This reverts commit 853c72d5d3e01373370bb6d82263be18b40e3d2d.
diff --git a/clang-wrapper.py b/clang-wrapper.py
index 58ec10f..531da48 100755
--- a/clang-wrapper.py
+++ b/clang-wrapper.py
@@ -39,7 +39,6 @@
 
 allowed_warnings = set([
     "list.h:80",
-    "LinuxLoaderLib.c:526",
  ])
 
 # Capture the name of the object file, if can find it.