refactor(profiles): use @{bin} and @{lib} in profiles (4)

apparmor.d/profiles-a-f/fzsftp

@@ -6,7 +6,7 @@ abi <abi/3.0>,
 
 include <tunables/global>
 
-@{exec_path} = /{usr/,}bin/fzsftp
+@{exec_path} = @{bin}/fzsftp
 profile fzsftp @{exec_path} {
   include <abstractions/base>
   include <abstractions/consoles>
@@ -19,9 +19,9 @@ profile fzsftp @{exec_path} {
 
   @{exec_path} mr,
 
-  /{usr/,}bin/{,ba,da}sh mrix,
-  /{usr/,}bin/ps          rix,
-  /{usr/,}bin/ls          rix,
+  @{bin}/{,ba,da}sh mrix,
+  @{bin}/ps          rix,
+  @{bin}/ls          rix,
 
        @{PROC}/ r,
        @{PROC}/uptime r,