Revert "FROMLIST: modpost: Make static exports fatal"

This reverts commit db78f3b149.

Reason for revert: Pulling upstream changes which accomplish the same thing.
See https://android-review.googlesource.com/c/kernel/common/+/1559676

Bug: 176428324
Change-Id: I924e794d9987994d88aa0e6c11e1062e2b046947
Signed-off-by: Melody Olvera <molvera@codeaurora.org>

scripts/mod/modpost.c

@@ -2645,9 +2645,9 @@ int main(int argc, char **argv)
 
 		for (s = symbolhash[n]; s; s = s->next) {
 			if (s->is_static)
-				fatal("\"%s\" [%s] is a static %s\n",
-				      s->name, s->module->name,
-				      export_str(s->export));
+				warn("\"%s\" [%s] is a static %s\n",
+				     s->name, s->module->name,
+				     export_str(s->export));
 		}
 	}