too many false alert, disable unnecessary-assert for now

e.g. `assert(arg[1])`

Author: sumneko

changelog.md

@@ -2,7 +2,6 @@
 
 ## Unreleased
 <!-- Add all new changes here. They will be moved under a version at release -->
-* `NEW` `unnecessary-assert` diagnostic warns when asserting values that are always truthy
 * `NEW` locale `es-419`, thanks [Felipe Lema](https://codeberg.org/FelipeLema)
 * `FIX` prevent unnecessary edits by LSP formatting when content did not change
 * `FIX` return no completions if completion is disabled

script/proto/diagnostic.lua

@@ -78,7 +78,7 @@ m.register {
     'cast-type-mismatch',
     'return-type-mismatch',
     'inject-field',
-    'unnecessary-assert',
+    --'unnecessary-assert',
 } {
     group    = 'type-check',
     severity = 'Warning',