download: Remove unused parameter pipeline

Pipeline was always used, so there's no need to have it as a parameter.

src/download.c

@@ -135,7 +135,7 @@ static size_t file_hash_value(const void *data)
 	return HASH_VALUE(((struct file *)data)->hash[0]);
 }
 
-int start_full_download(bool pipelining)
+int start_full_download(void)
 {
 	if (swupd_curl_hashmap) {
 		return -1;
@@ -149,17 +149,7 @@ int start_full_download(bool pipelining)
 		return -1;
 	}
 
-	/*
-	 * we want to not do HTTP pipelining once things have failed once.. in case some transpoxy in the middle
-	 * is even more broken than average. This at least will allow the user to update, albeit slowly.
-	 */
-	if (pipelining) {
-		curl_multi_setopt(mcurl, CURLMOPT_PIPELINING, CURLPIPE_MULTIPLEX | CURLPIPE_HTTP1);
-	} else {
-		/* survival: don't go too parallel in verify/fix loop */
-		MAX_XFER = 1;
-		MAX_XFER_BOTTOM = 1;
-	}
+	curl_multi_setopt(mcurl, CURLMOPT_PIPELINING, CURLPIPE_MULTIPLEX | CURLPIPE_HTTP1);
 
 	fprintf(stderr, "Starting download of remaining update content. This may take a while...\n");
 

src/fullfile.c

@@ -90,7 +90,7 @@ int download_fullfiles(struct list *files, int num_retries, int timeout)
 	int retries = 0;
 
 	while (files) {
-		ret = start_full_download(true);
+		ret = start_full_download();
 		if (ret != 0) {
 			/* If we hit this point, the network is accessible but we were
 			 * unable to download the needed files. This is a terminal error

src/swupd.h

@@ -283,7 +283,7 @@ extern int download_subscribed_packs(struct list *subs, struct manifest *mom, bo
 
 extern void apply_deltas(struct manifest *current_manifest);
 extern void full_download(struct file *file);
-extern int start_full_download(bool pipelining);
+extern int start_full_download(void);
 extern struct list *end_full_download(void);
 extern int untar_full_download(void *data);