bash: Remove todo.txt aliases, add hgrep/hex

bashrc.d/aliases.bash

@@ -22,11 +22,9 @@ alias db="dropbox.py"
 
 alias trunc="truncate -s0"
 
-# Stuff for todo.txt
+# Misc
-alias waiting="t lf waiting"
+alias hgrep="history | grep"
-alias active="t ls active"
+alias hex="hexdump -Cv"
-alias today="t lsp A"
-alias week="t lsp A-B"
 
 # git shortcuts
 alias br="git checkout"