Run Knip (#2990)

## Summary:
Running [Knip](https://knip.dev/) to clean up unused files, code, exports, etc.

Author: handeyeco

Reviewers: jeremywiebe, ivyolamit, mark-fitzgerald, SonicScrewdriver, anakaren-rojas

Required Reviewers:

Approved By: jeremywiebe

Checks: ✅ 10 checks were successful

Pull Request URL: #2990

Author: handeyeco

.changeset/strange-wolves-admire.md

@@ -0,0 +1,11 @@
+---
+"@khanacademy/keypad-context": patch
+"@khanacademy/math-input": patch
+"@khanacademy/perseus": patch
+"@khanacademy/perseus-core": patch
+"@khanacademy/perseus-editor": patch
+"@khanacademy/perseus-linter": patch
+"@khanacademy/perseus-score": patch
+---
+
+Run knip to clean up unused code and exports

packages/keypad-context/package.json

@@ -25,8 +25,7 @@
         "prepublishOnly": "../../utils/package-pre-publish-check.sh"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "workspace:*",
-        "@khanacademy/perseus-utils": "workspace:*"
+        "@khanacademy/perseus-core": "workspace:*"
     },
     "devDependencies": {
         "perseus-build-settings": "workspace:*",

packages/math-input/src/data/keys.ts

@@ -3,14 +3,14 @@ import getExpressionPublicWidgetOptions from "./expression-util";
 import type {PerseusExpressionWidgetOptions} from "../../data-schema";
 import type {WidgetLogic} from "../logic-export.types";
 
-export const currentVersion = {major: 2, minor: 0};
+const currentVersion = {major: 2, minor: 0};
 
 export type ExpressionDefaultWidgetOptions = Pick<
     PerseusExpressionWidgetOptions,
     "answerForms" | "times" | "buttonSets" | "functions"
 >;
 
-export const defaultWidgetOptions: ExpressionDefaultWidgetOptions = {
+const defaultWidgetOptions: ExpressionDefaultWidgetOptions = {
     answerForms: [],
     times: false,
     buttonSets: ["basic"],

packages/perseus-core/src/widgets/expression/index.ts

@@ -4,7 +4,7 @@ import type {PerseusFreeResponseWidgetOptions} from "../../data-schema";
  * For details on the individual options, see the
  * {@link PerseusFreeResponseWidgetOptions} type
  */
-export type FreeResponsePublicWidgetOptions = {
+type FreeResponsePublicWidgetOptions = {
     allowUnlimitedCharacters: PerseusFreeResponseWidgetOptions["allowUnlimitedCharacters"];
     characterLimit: PerseusFreeResponseWidgetOptions["characterLimit"];
     placeholder: PerseusFreeResponseWidgetOptions["placeholder"];

packages/perseus-core/src/widgets/free-response/free-response-util.ts

@@ -9,7 +9,7 @@ import type {
  * For details on the individual options, see the
  * PerseusGroupWidgetOptions type
  */
-export type GroupPublicWidgetOptions = PerseusRenderer;
+type GroupPublicWidgetOptions = PerseusRenderer;
 
 /**
  * Given a PerseusGroupWidgetOptions object, return a new object with only

packages/perseus-core/src/widgets/group/group-util.ts

@@ -1,7 +1,7 @@
 import type {PerseusMeasurerWidgetOptions} from "../../data-schema";
 import type {WidgetLogic} from "../logic-export.types";
 
-export const currentVersion = {major: 1, minor: 0};
+const currentVersion = {major: 1, minor: 0};
 
 export type MeasurerDefaultWidgetOptions = Pick<
     PerseusMeasurerWidgetOptions,
@@ -15,7 +15,7 @@ export type MeasurerDefaultWidgetOptions = Pick<
     | "rulerLength"
 >;
 
-export const defaultWidgetOptions: MeasurerDefaultWidgetOptions = {
+const defaultWidgetOptions: MeasurerDefaultWidgetOptions = {
     box: [480, 480],
     image: {} as any,
     showProtractor: true,

packages/perseus-core/src/widgets/measurer/index.ts

@@ -3,7 +3,7 @@ import getRadioPublicWidgetOptions from "./radio-util";
 import type {PerseusRadioWidgetOptions} from "../../data-schema";
 import type {WidgetLogic} from "../logic-export.types";
 
-export const currentVersion = {major: 3, minor: 0};
+const currentVersion = {major: 3, minor: 0};
 
 export type RadioDefaultWidgetOptions = Pick<
     PerseusRadioWidgetOptions,
@@ -15,7 +15,7 @@ export type RadioDefaultWidgetOptions = Pick<
     | "deselectEnabled"
 >;
 
-export const defaultWidgetOptions: RadioDefaultWidgetOptions = {
+const defaultWidgetOptions: RadioDefaultWidgetOptions = {
     choices: [
         {content: "", id: "radio-choice-0"},
         {content: "", id: "radio-choice-1"},

packages/perseus-core/src/widgets/radio/index.ts

@@ -43,7 +43,6 @@
         "@khanacademy/perseus-linter": "workspace:*",
         "@khanacademy/perseus-score": "workspace:*",
         "@khanacademy/perseus-utils": "workspace:*",
-        "@khanacademy/pure-markdown": "workspace:*",
         "katex": "0.11.1",
         "mafs": "^0.19.0",
         "tiny-invariant": "catalog:prodDeps"

packages/perseus-editor/package.json

@@ -26,9 +26,9 @@ import type {
 } from "@khanacademy/perseus-core";
 import type {Interval} from "mafs";
 
-export type SnapTo = "grid" | "angles" | "sides";
+type SnapTo = "grid" | "angles" | "sides";
 
-export type LockedFunctionOptions = {
+type LockedFunctionOptions = {
     color?: LockedFigureColor;
     strokeStyle?: LockedLineStyle;
     weight?: StrokeWeight;