Update most to 5.1.0.

Notable changes:

- Switch MASTER_SITES to jedsoft.org
- Remove skipv directive for portroach as it's not necessary anymore

OK sthen@

misc/most/Makefile

@@ -1,21 +1,18 @@
-# $OpenBSD: Makefile,v 1.23 2019/07/12 20:47:51 sthen Exp $
-
-PORTROACH=	skipv:5.0.0
+# $OpenBSD: Makefile,v 1.24 2019/09/22 09:20:44 fcambus Exp $
 
 COMMENT=	browse or page through a text file
 
-DISTNAME=	most-5.0.0a
-REVISION=	1
+DISTNAME=	most-5.1.0
 CATEGORIES=	misc
 
-MASTER_SITES=	ftp://space.mit.edu/pub/davis/most/
+MASTER_SITES=	https://www.jedsoft.org/releases/most/
 
 LIB_DEPENDS=	devel/libslang
 
 # GPLv2+
 PERMIT_PACKAGE=	Yes
 
-WANTLIB += c curses m slang
+WANTLIB += c m slang
 
 CONFIGURE_STYLE= gnu
 CONFIGURE_ARGS=	--with-slang=${LOCALBASE}

misc/most/distinfo

@@ -1,2 +1,2 @@
-SHA256 (most-5.0.0a.tar.gz) = F6Flk9oGTd1IT1MVfVS4O82Y6kWrHtNh7qZMT64WOhA=
-SIZE (most-5.0.0a.tar.gz) = 155233
+SHA256 (most-5.1.0.tar.gz) = 24BdH/rT6FiQgCBhrIyQ48ieJa+xhKeU4DcVo+0ZBQE=
+SIZE (most-5.1.0.tar.gz) = 162172

misc/most/pkg/PLIST

@@ -1,4 +1,4 @@
-@comment $OpenBSD: PLIST,v 1.4 2009/10/13 21:47:59 sthen Exp $
+@comment $OpenBSD: PLIST,v 1.5 2019/09/22 09:20:44 fcambus Exp $
 @bin bin/most
 @man man/man1/most.1
 share/doc/most/
@@ -6,5 +6,5 @@ share/doc/most/README
 share/doc/most/changes.txt
 share/doc/most/lesskeys.rc
 share/doc/most/most-fun.txt
-share/doc/most/most.doc
 share/doc/most/most.rc
+share/doc/most/most.txt