docs: update cheat sheet, remove plugin from readme

CHEATSHEET.md

@@ -29,7 +29,6 @@
 - `leader`+`leader` lists open buffers in `snipe.nvim`
 - In snipe.nvim popup: Hit `d` to close the selected buffer
 - `:bd` close current buffer
-- `:bn/p` go to next/previous buffer
 
 ## Text
 
@@ -40,13 +39,12 @@
 - `Ctrl`+`d/u` scroll down/up 1/2 page while keeping the cursor centered
 - `Ctrl`+`o` jump to location you were before (e.g. after using `gg`)
 - `Ctrl`+`i` jump back to location you were before (after using `Ctrl`+`o`)
-- `s<string>` highlight jump targets via `flash.nvim`
+- `s<chars>` highlight jump targets via `flash.nvim`
 
 ## LSP, Code & Diagnostics
 
-- `Ctrl`+`n/p` scroll down/up through LSP suggestions
+- `Ctrl`+`j/k` scroll down/up through LSP suggestions
 - `K` show LSP context info
-- `Ctrl`+`l` accept selected suggestion
 - `gd` go to definition
 - `gr` show references of function
 - `grn` renames all refs of the symbol under cursor
@@ -80,10 +78,8 @@
 - `leader`+`o` re-format whole file or visual w/ `conform.nvim`
 - `i` insert mode at cursor position
 - `I` insert mode at **beginning of line**
-- `a` insert mode **after the current char**
-- `A` insert mode at **end of line**
-- `o` insert mode a line **below** the cursor
-- `O` insert mode a line **above** the cursor
+- `a/A` insert mode **after the current char**/**at end of line**
+- `o/O` insert mode a line **below**/**above** the cursor
 - `cw` replace the current word
 - `cc` replace whole line
 - `C` replace to the end of the line
@@ -109,7 +105,7 @@
 
 ### Code selection
 
-- `Ctrl`+`leader` context-sensitive text selection w/ Tree-sitter
+- `Ctrl`+`s` context-sensitive text selection w/ Tree-sitter
 - `Backspace` reduce context-sensitive selection
 
 ## SEARCH/OPEN