fix(lsp): disable semantic tokens to prevent errors

The semantic tokens were causing 'Invalid line: out of range' errors
when opening certain files. This appears to be related to the delta
mode not being properly handled. Disabled semantic tokens for now
to prevent the errors.

src/main.lua

@@ -65,9 +65,9 @@ local capabilities = {
 	diagnosticProvider = { relatedDocuments = {} },
 	textDocumentSync = 1,
 	semanticTokensProvider = {
-		full = { delta = true },
+		full = false,  -- Disabled: was causing "Invalid line: out of range" errors
 		legend = { tokenTypes = semanticTokenTypes, tokenModifiers = semanticTokenModifiers },
-		range = true,
+		range = false,
 	},
 	inlayHintProvider = { resolveProvider = false },
 	workspaceSymbolProvider = true,