push: remove trivial function

It's a single line that is used in a single place, and the variable has
the same name as the function.

Signed-off-by: Felipe Contreras <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: felipec

builtin/push.c

@@ -202,15 +202,10 @@ static const char *get_upstream_ref(struct branch *branch, const char *remote_na
 	return branch->merge[0]->src;
 }
 
-static int is_same_remote(struct remote *remote)
-{
-	return remote == remote_get(NULL);
-}
-
 static void setup_default_push_refspecs(struct remote *remote)
 {
 	struct branch *branch;
-	int same_remote = is_same_remote(remote);
+	int same_remote = remote == remote_get(NULL);
 	const char *dst;
 
 	switch (push_default) {