fix: change install.sh to be an actual bash script

install.sh

@@ -1,24 +1,9 @@
-function isInstalled {
-  if [ "$(which $1)" != "" ]; then
-    return 0;
-  fi
-  return 1;
-}
-
-function install {
-    # Check if program is already installed
-    if isInstalled $1; then
-      echo " - $1 is already installed"
-    else
-      echo " - installing $1 ..."
-      apt-get install $1 -y > /dev/null
-      echo " - finished"
-    fi
-}
-
 #Prerequesits
-echo "-- Installing prerequisites --"
+echo "-- Installing git --"
 install git
+if [ "$(which $1)" != "" ]; then
+    apt-get install $1 -y > /dev/null
+fi
 
 echo "-- Cloning repo --"
 git clone git@github.com:jim-fx/.dotfiles.git ~/.dotfiles