libalpm: remove unused error value

Signed-off-by: Allan McRae <allan@archlinux.org>

README

@@ -661,6 +661,7 @@ API CHANGES BETWEEN 5.2 AND 6.0
 
 [REMOVED]
 - ALPM_EVENT_PKGDOWNLOAD_START, ALPM_EVENT_PKGDOWNLOAD_DONE, ALPM_EVENT_PKGDOWNLOAD_FAILED
+- ALPM_ERR_PKG_REPO_NOT_FOUND
 - old TotalDownload implementation
  - alpm_cb_totaldl
  - alpm_option_get_totaldlcb()

lib/libalpm/alpm.h

@@ -292,8 +292,6 @@ typedef enum _alpm_errno_t {
 	ALPM_ERR_PKG_INVALID_NAME,
 	/** Package has an invalid architecture */
 	ALPM_ERR_PKG_INVALID_ARCH,
-	/** Unused */
-	ALPM_ERR_PKG_REPO_NOT_FOUND,
 	/* Signatures */
 	/** Signatures are missing */
 	ALPM_ERR_SIG_MISSING,

lib/libalpm/error.c

@@ -125,8 +125,6 @@ const char SYMEXPORT *alpm_strerror(alpm_errno_t err)
 			return _("package filename is not valid");
 		case ALPM_ERR_PKG_INVALID_ARCH:
 			return _("package architecture is not valid");
-		case ALPM_ERR_PKG_REPO_NOT_FOUND:
-			return _("could not find repository for target");
 		/* Signatures */
 		case ALPM_ERR_SIG_MISSING:
 			return _("missing PGP signature");