Enable new install button on AMO (all envs, including -prod) (#6386)

config/default-amo.js

@@ -119,4 +119,6 @@ module.exports = {
 
   // Turn on recommendations in details pages.
   enableFeatureAddonRecommendations: true,
+
+  enableFeatureAMInstallButton: true,
 };

config/dev-amo.js

@@ -25,6 +25,5 @@ module.exports = {
     },
   },
 
-  enableFeatureAMInstallButton: true,
   enableFeatureInlineAddonReview: true,
 };

config/development-amo.js

@@ -11,6 +11,5 @@ module.exports = {
   fxaConfig: 'local',
   trackingEnabled: false,
   loggingLevel: 'debug',
-  enableFeatureAMInstallButton: true,
   enableFeatureInlineAddonReview: true,
 };

config/stage-amo.js

@@ -24,6 +24,4 @@ module.exports = {
       ],
     },
   },
-
-  enableFeatureAMInstallButton: true,
 };

config/uitests-amo.js

@@ -16,6 +16,4 @@ module.exports = {
   trackingEnabled: false,
   loggingLevel: 'debug',
   enableNodeStatics: true,
-
-  enableFeatureAMInstallButton: true,
 };