Remove unnecessary invariants (#2966)

Remove unnecessary invariants

js/noms/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@attic/noms",
   "license": "Apache-2.0",
-  "version": "65.4.0",
+  "version": "65.4.1",
   "description": "Noms JS SDK",
   "repository": "https://github.com/attic-labs/noms/tree/master/js/noms",
   "main": "dist/commonjs/noms.js",

js/noms/src/type.js

@@ -8,7 +8,7 @@ import Ref from './ref.js';
 import type {NomsKind} from './noms-kind.js';
 import type Hash from './hash.js';
 import {invariant, notNull} from './assert.js';
-import {isPrimitiveKind, Kind} from './noms-kind.js';
+import {Kind} from './noms-kind.js';
 import {ValueBase} from './value.js';
 import type Value from './value.js';
 import {describeType} from './encode-human-readable.js';
@@ -250,7 +250,6 @@ export function makeCycleType(level: number): Type<any> {
  * Gives the existing primitive Type value for a NomsKind.
  */
 export function getPrimitiveType(k: NomsKind): Type<any> {
-  invariant(isPrimitiveKind(k));
   switch (k) {
     case Kind.Bool:
       return boolType;

js/noms/src/value-decoder.js

@@ -73,7 +73,6 @@ export default class ValueDecoder {
       }
     }
 
-    invariant(isPrimitiveKind(k));
     return getPrimitiveType(k);
   }