remove mkinitcpio in zfs.install

mkinitcpio is now handled by a hook, fixes https://github.com/archzfs/archzfs/issues/88

src/zfs/zfs.install.sh

@@ -17,15 +17,10 @@ check_initramfs() {
     echo ">>> Updating ZFS module dependencies"
     depmod -a ${kernel_mod_path}
     MK_CONF=\$(grep -v '#' /etc/mkinitcpio.conf | grep zfs >/dev/null; echo \$?);
-    if [[ \${MK_CONF} == '0' ]]; then
-        if [[ \$1 == 'remove' ]]; then
-            echo '>>> The ZFS packages have been removed, but "zfs" remains in the "hooks"'
-            echo '>>> list in mkinitcpio.conf! You will need to remove "zfs" from the '
-            echo '>>> "hooks" list and then regenerate the initial ramdisk.'
-        else
-            echo ">>> Generating initial ramdisk, using mkinitcpio. Please wait..."
-            mkinitcpio -p ${kernel_name}
-        fi
+    if [[ \${MK_CONF} == '0' && \$1 == 'remove' ]]; then
+        echo '>>> The ZFS packages have been removed, but "zfs" remains in the "hooks"'
+        echo '>>> list in mkinitcpio.conf! You will need to remove "zfs" from the '
+        echo '>>> "hooks" list and then regenerate the initial ramdisk.'
     fi
 }
 EOF