newsboat: remove src-rssparser.cpp.patch as it was merged into fix-paths.patch

packages/newsboat/src-rssparser.cpp.patch

@@ -1,12 +0,0 @@
-diff -u -r ../newsboat-2.18/src/rssparser.cpp ./src/rssparser.cpp
---- ../newsboat-2.18/src/rssparser.cpp	2019-12-22 11:56:20.000000000 +0000
-+++ ./src/rssparser.cpp	2020-01-02 20:37:50.905020000 +0000
-@@ -305,7 +305,7 @@
- {
- 	std::string buf = utils::retrieve_url(uri, cfgcont);
- 
--	char* argv[4] = {const_cast<char*>("/bin/sh"),
-+	char* argv[4] = {const_cast<char*>("@TERMUX_PREFIX@/bin/sh"),
- 			const_cast<char*>("-c"),
- 			const_cast<char*>(filter.c_str()),
- 			nullptr