Revert "kernel-doc: Handle function typedefs that return pointers"

This reverts commit 19ab6044be.
We will replace the commit with the fix from Linux.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201117165312.118257-27-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

scripts/kernel-doc

@@ -1434,8 +1434,8 @@ sub dump_typedef($$) {
     $x =~ s@/\*.*?\*/@@gos;	# strip comments.
 
     # Parse function prototypes
-    if ($x =~ /typedef\s+(\w+\s*\**)\s*\(\*\s*(\w\S+)\s*\)\s*\((.*)\);/ ||
-	$x =~ /typedef\s+(\w+\s*\**)\s*(\w\S+)\s*\s*\((.*)\);/) {
+    if ($x =~ /typedef\s+(\w+)\s*\(\*\s*(\w\S+)\s*\)\s*\((.*)\);/ ||
+	$x =~ /typedef\s+(\w+)\s*(\w\S+)\s*\s*\((.*)\);/) {
 
 	# Function typedefs
 	$return_type = $1;