Update to Blockly 13

README.md

@@ -120,7 +120,6 @@ scope of its wrapped input function.
 - [x] Backpack (Need to update UI in Backpack plugin side)
 
 **Workspace-related**
-- [x] Keyboard-navigation
 - [x] Shadow-block-converter
 - [x] Workspace-content-highlight
 - [x] Disable-top-blocks
@@ -133,15 +132,6 @@ scope of its wrapped input function.
 
 For more information, please check out the following [issue page](https://github.com/mit-cml/workspace-multiselect/issues/50).
 
-### Note on keyboard navigation plugin
-Currently, the keyboard navigation plugin has no compatibility issues with the multiselect plugin. It is enabled by default
-in the test files. However, one thing that developers and users should note is that the regular Blockly core's copy/cut/paste shortcuts 
-and multiselect plugin's copy/cut/paste shortcuts are completely disabled when the keyboard navigation mode is turned on. This was assumed
-to be the expected behavior of the user as it defeats the purpose of having the keyboard navigation mode turned on and the user would try to
-select blocks using the cursor and copy/cut/paste with that selection. However, if a developer wants to allow for either copy/cut/paste behavior
-(Blockly Core or multiselect plugin) while the keyboard navigation mode is turned on, we would have to make the following changes described in this
-[issue](https://github.com/google/blockly-samples/issues/2424).
-
 ### Note on disable top blocks plugin
 The disable top blocks plugin has to be initialized after the multiselect plugin. The main reason behind this is that 
 the multiselect plugin has its own custom context menu, which allows for the disabling of any blocks (not just top blocks).