Improves LaTeX binds and snippets

.config/nvim/UltiSnips/tex.snippets

@@ -238,31 +238,16 @@ snippet ooo "\infty" iA
 endsnippet
 
 context "math()"
-snippet hnn "hn" iA
+snippet nn "hn" iA
-h[n]
+[n]
 endsnippet
 
 context "math()"
-snippet htt "ht" iA
+snippet tt "ht" iA
-h(t)
+(t)
 endsnippet
 
 context "math()"
-snippet xnn "xn" iA
+snippet ss "hs" iA
-x[n]
+(s)
-endsnippet
-
-context "math()"
-snippet xtt "xt" iA
-x(t)
-endsnippet
-
-context "math()"
-snippet ynn "yn" iA
-y[n]
-endsnippet
-
-context "math()"
-snippet ytt "yt" iA
-y(t)
 endsnippet

.config/nvim/ftplugin/tex.vim

@@ -27,3 +27,4 @@ let g:vimtex_syntax_conceal = {
           \ 'sections': 1,
           \ 'styles': 1,
           \}
+set textwidth=80