Revert "feat(APPS/installer): configure remote and pull branch in conf/config.sh (#8364)" (#8486)

This reverts commit f5c8afcf0b.

apps/installer/includes/functions.sh

@@ -47,7 +47,7 @@ function inst_configureOS() {
 
 function inst_updateRepo() {
     cd "$AC_PATH_ROOT"
-    git pull "$ORIGIN_REMOTE" "$INSTALLER_PULL_FROM"
+    git pull origin $(git rev-parse --abbrev-ref HEAD)
 }
 
 function inst_resetRepo() {

conf/dist/config.sh

@@ -29,16 +29,6 @@ BINPATH="$AC_PATH_ROOT/env/dist"
 # DATAPATH="$BINPATH/bin"
 # DATAPATH_ZIP="$DATAPATH/data.zip"
 
-# azerothcore's official remote source address to pull from
-# by default git will fetch form the azrothcore remote 
-# You can change it to "origin" if you want to fetch/pull from the set remote
-ORIGIN_REMOTE="https://github.com/azerothcore/azerothcore-wotlk.git"
-
-# Branch configuration for the installer to pull from. 
-# By default git will select the current working branch 
-# You can change it to "master" if you want the latest updates
-INSTALLER_PULL_FROM=$(git rev-parse --abbrev-ref HEAD)
-
 ##############################################
 #
 #  COMPILER_CONFIGURATIONS