refactor(git)!: remove old deprecated aliases (#13149)

BREAKING CHANGE: the following deprecated aliases have been removed:
gup, gupv, gupa, gupav, gupom, gupom. The following aliases have been
deprecated: ggpull, ggpur, ggpush. `current_branch` has also been
deprecated, in favor of `git_current_branch`.

plugins/git/git.plugin.zsh

@@ -8,14 +8,6 @@ git_version="${${(As: :)$(git version 2>/dev/null)}[3]}"
 # (order should follow README)
 #
 
-# The name of the current branch
-# Back-compatibility wrapper for when this function was defined here in
-# the plugin, before being pulled in to core lib/git.zsh as git_current_branch()
-# to fix the core -> git plugin dependency.
-function current_branch() {
-  git_current_branch
-}
-
 # Check for develop and similarly named branches
 function git_develop_branch() {
   command git rev-parse --git-dir &>/dev/null || return
@@ -110,7 +102,6 @@ function ggpnp() {
 }
 compdef _git ggpnp=git-checkout
 
-alias ggpur='ggu'
 alias g='git'
 alias ga='git add'
 alias gaa='git add --all'
@@ -290,7 +281,6 @@ alias gprom='git pull --rebase origin $(git_main_branch)'
 alias gpromi='git pull --rebase=interactive origin $(git_main_branch)'
 alias gprum='git pull --rebase upstream $(git_main_branch)'
 alias gprumi='git pull --rebase=interactive upstream $(git_main_branch)'
-alias ggpull='git pull origin "$(git_current_branch)"'
 
 function ggl() {
   if [[ $# != 0 ]] && [[ $# != 1 ]]; then
@@ -334,7 +324,6 @@ is-at-least 2.30 "$git_version" \
 alias gpv='git push --verbose'
 alias gpoat='git push origin --all && git push origin --tags'
 alias gpod='git push origin --delete'
-alias ggpush='git push origin "$(git_current_branch)"'
 
 function ggp() {
   if [[ $# != 0 ]] && [[ $# != 1 ]]; then
@@ -427,19 +416,16 @@ alias gke='\gitk --all $(git log --walk-reflogs --pretty=%h) &!'
 
 unset git_version
 
-# Logic for adding warnings on deprecated aliases
-local old_alias new_alias
-for old_alias new_alias (
-  # TODO(2023-10-19): remove deprecated `git pull --rebase` aliases
-  gup     gpr
-  gupv    gprv
-  gupa    gpra
-  gupav   gprav
-  gupom   gprom
-  gupomi  gpromi
+# Logic for adding warnings on deprecated aliases or functions
+local old_name new_name
+for old_name new_name (
+  current_branch  git_current_branch
+  ggpull          ggl
+  ggpur           ggu
+  ggpush          ggp
 ); do
-  aliases[$old_alias]="
-    print -Pu2 \"%F{yellow}[oh-my-zsh] '%F{red}${old_alias}%F{yellow}' is a deprecated alias, using '%F{green}${new_alias}%F{yellow}' instead.%f\"
-    $new_alias"
+  aliases[$old_name]="
+    print -Pu2 \"%F{yellow}[oh-my-zsh] '%F{red}${old_name}%F{yellow}' is deprecated, using '%F{green}${new_name}%F{yellow}' instead.%f\"
+    $new_name"
 done
-unset old_alias new_alias
+unset old_name new_name