Consolidate brew update and upgrade aliases

modules/homebrew/README.md

@@ -13,8 +13,7 @@ Aliases
   - `brewi` installs a formula.
   - `brewl` lists installed formulae.
   - `brews` searches for a formula.
-  - `brewU` upgrades Homebrew and outdated brews.
-  - `brewu` upgrades Homebrew.
+  - `brewu` updates Homebrew and formulae.
   - `brewx` uninstalls a formula.
 
 ### Homebrew Cask

modules/homebrew/init.zsh

@@ -20,8 +20,7 @@ alias brewC='brew cleanup --force'
 alias brewi='brew install'
 alias brewl='brew list'
 alias brews='brew search'
-alias brewu='brew upgrade'
-alias brewU='brew update && brew upgrade'
+alias brewu='brew update && brew upgrade --all'
 alias brewx='brew remove'
 
 # Homebrew Cask