fix(nvim): fix the way diagnostics are configured

nvim/.config/nvim/lua/settings/lsp.lua

@@ -7,32 +7,25 @@ vim.diagnostic.config({
     source = "always",  -- Or "if_many"
     border = "rounded",
   },
---  signs = {
+  signs = {
---    text = {
+    text = {
---      [vim.diagnostic.severity.HINT] = '💡',
+      [vim.diagnostic.severity.HINT] = '💡',
---      [vim.diagnostic.severity.INFO] = '',
+      [vim.diagnostic.severity.INFO] = '',
---      [vim.diagnostic.severity.WARN] = '',
+      [vim.diagnostic.severity.WARN] = '',
---      [vim.diagnostic.severity.ERROR] = '',
+      [vim.diagnostic.severity.ERROR] = '',
---    },
+    },
---    numhl = {
+    numhl = {
---      [vim.diagnostic.severity.HINT] = 'DiagnosticSignHint',
+      [vim.diagnostic.severity.HINT] = 'DiagnosticSignHint',
---      [vim.diagnostic.severity.INFO] = 'DiagnosticSignInfo',
+      [vim.diagnostic.severity.INFO] = 'DiagnosticSignInfo',
---      [vim.diagnostic.severity.WARN] = 'DiagnosticSignWarn',
+      [vim.diagnostic.severity.WARN] = 'DiagnosticSignWarn',
---      [vim.diagnostic.severity.ERROR] = 'DiagnosticSignError',
+      [vim.diagnostic.severity.ERROR] = 'DiagnosticSignError',
---    },
+    },
---  },
+  },
-  signs = true,
   underline = true,
   update_in_insert = true,
   severity_sort = true,
 })
 
-local signs = { Error = "", Warn = "", Hint = "💡", Info = "" }
-for type, icon in pairs(signs) do
-  local hl = "DiagnosticSign" .. type
-  vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
-end
-
 vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, { border = "rounded" })
 vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, { border = "rounded" })