Remove install file, migration was ages ago and not needed anymore.

.SRCINFO

@@ -3,7 +3,6 @@ pkgbase = jackett
 	pkgver = 0.16.304
 	pkgrel = 1
 	url = https://github.com/Jackett/Jackett
-	install = jackett.install
 	arch = x86_64
 	arch = aarch64
 	arch = armv7h

PKGBUILD

@@ -9,7 +9,6 @@ license=('GPL')
 url='https://github.com/Jackett/Jackett'
 depends=('curl' 'openssl-1.0')
 options=('!strip' 'staticlibs')
-install='jackett.install'
 
 source=("jackett.service"
         "jackett.sysusers"

jackett.install

@@ -1,25 +0,0 @@
-post_upgrade() {
-  if (( $(vercmp "0.8.749-2" "$2") > 0 )); then
-    if [[ -d /usr/share/Jackett/.config/Jackett && ! -f /var/lib/jackett/ServerConfig.json ]]; then
-      cp -a /usr/share/Jackett/.config/Jackett/* /var/lib/jackett/
-      echo "Copied config and db from /usr/share/Jackett/.config/Jackett/ -> /var/lib/jackett/"
-    fi
-
-    if [[ -d /usr/share/Jackett/.config/.mono && ! -d /var/lib/jackett/.mono ]]; then
-      cp -a /usr/share/Jackett/.config/.mono /var/lib/jackett/
-      echo "Copied mono configs from /usr/share/Jackett/.config/.mono -> /var/lib/jackett/"
-    fi
-  fi
-
-  if [[ "$( getent passwd jackett | cut -d: -f6 )" != "/var/lib/jackett" ]]; then
-    usermod -d /var/lib/jackett jackett
-    if [[ $? -ne 0 ]]; then
-      echo "Could not change jackett users home directory."
-      echo "Run: sudo systemctl stop jackett ; sudo usermod -d /var/lib/jackett jackett ; sudo systemctl start jackett"
-    fi
-  fi
-
-  if [[ -d /usr/share/Jackett/ ]]; then
-    echo "Remove /usr/share/Jackett if everything is working correctly from /var/lib/jackett now."
-  fi
-}