Remove unused json plugin

package.json

@@ -114,7 +114,6 @@
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^22.0.2",
-    "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^14.1.0",
     "@types/css-tree": "^1.0.7",
     "@types/csso": "^5.0.0",

rollup.config.js

@@ -1,6 +1,5 @@
 import { nodeResolve } from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
-import json from '@rollup/plugin-json';
 import { terser } from 'rollup-plugin-terser';
 
 export default {
@@ -15,7 +14,6 @@ export default {
   plugins: [
     nodeResolve({ browser: true, preferBuiltins: false }),
     commonjs(),
-    json(),
     // Whitespaces and comments removal makes the browser bundle lighter
     // while retaining the ability to debug errors
     terser({

yarn.lock

@@ -831,17 +831,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@rollup/plugin-json@npm:^4.1.0":
-  version: 4.1.0
-  resolution: "@rollup/plugin-json@npm:4.1.0"
-  dependencies:
-    "@rollup/pluginutils": ^3.0.8
-  peerDependencies:
-    rollup: ^1.20.0 || ^2.0.0
-  checksum: 867bc9339b4ccf0b9ff3b2617a95b3b8920115163f86c8e3b1f068a14ca25949472d3c05b09a5ac38ca0fe2185756e34617eaeb219d4a2b6e2307c501c7d4552
-  languageName: node
-  linkType: hard
-
 "@rollup/plugin-node-resolve@npm:^14.1.0":
   version: 14.1.0
   resolution: "@rollup/plugin-node-resolve@npm:14.1.0"
@@ -858,7 +847,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@rollup/pluginutils@npm:^3.0.8, @rollup/pluginutils@npm:^3.1.0":
+"@rollup/pluginutils@npm:^3.1.0":
   version: 3.1.0
   resolution: "@rollup/pluginutils@npm:3.1.0"
   dependencies:
@@ -4562,7 +4551,6 @@ __metadata:
   resolution: "svgo@workspace:."
   dependencies:
     "@rollup/plugin-commonjs": ^22.0.2
-    "@rollup/plugin-json": ^4.1.0
     "@rollup/plugin-node-resolve": ^14.1.0
     "@trysound/sax": 0.2.0
     "@types/css-tree": ^1.0.7