fix(python-semshi): better highlights (#2839)

lua/lazyvim/plugins/extras/lang/python-semshi.lua

@@ -16,15 +16,16 @@ return {
       callback = function()
         -- Only add style, inherit or link to the LSP's colors
         vim.cmd([[
-            highlight! semshiGlobal gui=italic
+            highlight! link semshiGlobal  @none
             highlight! link semshiImported @none
             highlight! link semshiParameter @lsp.type.parameter
-            highlight! link semshiParameterUnused DiagnosticUnnecessary
             highlight! link semshiBuiltin @function.builtin
             highlight! link semshiAttribute @field
             highlight! link semshiSelf @lsp.type.selfKeyword
-            highlight! link semshiUnresolved @lsp.type.unresolvedReference
+            highlight! link semshiUnresolved @none
             highlight! link semshiFree @none
+            highlight! link semshiAttribute @none
+            highlight! link semshiParameterUnused @none
             ]])
       end,
     })