Remove downstream patch, it is included in the newest upstream release

See https://github.com/vim/vim/pull/7638

vim-ruby30ftbfs.patch

@@ -1,18 +0,0 @@
-diff --git a/src/if_ruby.c b/src/if_ruby.c
-index 9e5890214..a8c8379b6 100644
---- a/src/if_ruby.c
-+++ b/src/if_ruby.c
-@@ -612,11 +612,13 @@ rb_check_type_stub(VALUE obj, int t)
- {
-     dll_rb_check_type(obj, t);
- }
-+#   if VIM_SIZEOF_INT < VIM_SIZEOF_LONG // 64 bits only
-     unsigned long
- rb_num2uint_stub(VALUE x)
- {
-     return dll_rb_num2uint(x);
- }
-+#   endif
-     void
- ruby_malloc_size_overflow_stub(size_t x, size_t y)
- {

vim.spec

@@ -63,7 +63,6 @@ Patch3016: vim-8.0-copy-paste.patch
 Patch3017: vim-python3-tests.patch
 # fips warning
 Patch3018: vim-crypto-warning.patch
-Patch3019: vim-ruby30ftbfs.patch
 
 # gcc is no longer in buildroot by default
 BuildRequires: gcc
@@ -271,7 +270,6 @@ perl -pi -e "s,bin/nawk,bin/awk,g" runtime/tools/mve.awk
 %patch3016 -p1 -b .copypaste
 %patch3017 -p1 -b .python-tests
 %patch3018 -p1
-%patch3019 -p1 -b .ruby30
 
 %build
 cd src