Drop support for Ember < 2.12.

.travis.yml

@@ -19,9 +19,6 @@ env:
   matrix:
     # we recommend new addons test the current and previous LTS
     # as well as latest stable release (bonus points to beta/canary)
-    - EMBER_TRY_SCENARIO=ember-1.13
-    - EMBER_TRY_SCENARIO=ember-lts-2.4
-    - EMBER_TRY_SCENARIO=ember-lts-2.8
     - EMBER_TRY_SCENARIO=ember-lts-2.12
     - EMBER_TRY_SCENARIO=ember-lts-2.16
     - EMBER_TRY_SCENARIO=ember-lts-2.18

config/ember-try.js

@@ -11,65 +11,6 @@ module.exports = function() {
     return {
       useYarn: true,
       scenarios: [
-        {
-          name: 'ember-1.13',
-          env: {
-            EMBER_OPTIONAL_FEATURES: JSON.stringify({ 'jquery-integration': true }),
-          },
-          bower: {
-            dependencies: {
-              ember: '~1.13.0',
-            },
-          },
-          npm: {
-            devDependencies: {
-              '@ember/jquery': '^0.5.1',
-              'ember-source': null,
-              'jquery': '^2.2.4',
-            },
-          },
-        },
-        {
-          name: 'ember-lts-2.4',
-          env: {
-            EMBER_OPTIONAL_FEATURES: JSON.stringify({ 'jquery-integration': true }),
-          },
-          bower: {
-            dependencies: {
-              ember: 'components/ember#lts-2-4',
-            },
-            resolutions: {
-              ember: 'lts-2-4',
-            },
-          },
-          npm: {
-            devDependencies: {
-              '@ember/jquery': '^0.5.1',
-              'ember-source': null,
-              'jquery': '^2.2.4',
-            },
-          },
-        },
-        {
-          name: 'ember-lts-2.8',
-          env: {
-            EMBER_OPTIONAL_FEATURES: JSON.stringify({ 'jquery-integration': true }),
-          },
-          bower: {
-            dependencies: {
-              ember: 'components/ember#lts-2-8',
-            },
-            resolutions: {
-              ember: 'lts-2-8',
-            },
-          },
-          npm: {
-            devDependencies: {
-              '@ember/jquery': '^0.5.1',
-              'ember-source': null,
-            },
-          },
-        },
         {
           name: 'ember-lts-2.12',
           env: {