Temporarily revert Android commits in order to create a release of Sl…

…ate focused solely on Android (ianstormtaylor#4256)

* Revert "Add DefaultEditable and AndroidEditable to exports (ianstormtaylor#4255)"

This reverts commit 5298e51.

* Revert "Feature/android keyboard support (ianstormtaylor#4200)"

This reverts commit e03ce7c.

.eslintrc

@@ -151,6 +151,15 @@
       }
     ],
     "use-isnan": "error",
+    "valid-jsdoc": [
+      "error",
+      {
+        "prefer": {
+          "return": "returns"
+        },
+        "requireReturn": false
+      }
+    ],
     "valid-typeof": "error",
     "yield-star-spacing": [
       "error",
@@ -170,4 +179,4 @@
       }
     }
   ]
-}
+}