Chore: MEGA - Make Eslint Great Again 💅 (#26094)

* Fix lint error in types.ts

* Bump eslint and its deps to latest

* Add eslintignore and remove not needed eslintrcs

* Change webpack configs eslint config

* Update package.jsons and removed unused eslintrc files

* Chore yarn lint --fix 💅

* Add devenv to eslintignore

* Remove eslint disable comments for rules that are not used

* Remaining eslint fixes 💅

* Bump grafana/eslint-config 💥

* Modify package.json

No need for duplicate checks.

* Modify eslintignore to ignore data and dist folders

* Revert removing .eslintrc to make sure not to use certain packages

* Modify package.json to remove not needed command

* Use gitignore for ignoring paths

devenv/docker/loadtest/modules/util.js

@@ -1,4 +1,4 @@
-export const createTestOrgIfNotExists = (client) => {
+export const createTestOrgIfNotExists = client => {
   let orgId = 0;
   let res = client.orgs.getByName('k6');
   if (res.status === 404) {
@@ -13,9 +13,9 @@ export const createTestOrgIfNotExists = (client) => {
 
   client.withOrgId(orgId);
   return orgId;
-}
+};
 
-export const createTestdataDatasourceIfNotExists = (client) => {
+export const createTestdataDatasourceIfNotExists = client => {
   const payload = {
     access: 'proxy',
     isDefault: false,
@@ -32,4 +32,4 @@ export const createTestdataDatasourceIfNotExists = (client) => {
   }
 
   return res.json().id;
-}
+};