Remove another duplicated entry

Signed-off-by: Tommy <contact@tommytran.io>

etc/apt/sources.list.d/docker.sources

@@ -1,5 +1,5 @@
 Types: deb
-Suites: noble
 URIs: https://download.docker.com/linux/ubuntu
+Suites: noble
 Components: stable
 Signed-By: /usr/share/keyrings/docker.asc

etc/apt/sources.list.d/element-io.sources

@@ -0,0 +1,5 @@
+Types: deb
+URIs: https://packages.element.io/debian/
+Suites: default
+Components: main
+Signed-By: /usr/share/keyrings/element-io-archive-keyring.gpg

etc/apt/sources.list.d/vscode.sources

@@ -1,5 +1,5 @@
 Types: deb
-Suites: stable
 URIs: https://packages.microsoft.com/repos/code
+Suites: stable
 Components: main
 Signed-By: /usr/share/keyrings/microsoft.gpg

etc/sysctl.d/99-server.conf

@@ -75,9 +75,6 @@ net.ipv4.conf.*.rp_filter = 1
 net.ipv4.icmp_echo_ignore_all = 0
 net.ipv6.icmp.echo_ignore_all = 0
 
-# Ignore Bogus ICMP responses.
-net.ipv4.icmp_ignore_bogus_error_responses = 1
-
 # Enable IP Forwarding.
 # Almost all of my servers run Docker anyways, and Docker absolutely requires this.
 net.ipv4.ip_forward = 1
@@ -115,4 +112,4 @@ vm.mmap_rnd_compat_bits = 16
 # https://bugs.archlinux.org/task/62780
 # Interestingly enough, Arch does not even have userfaultfd in their kernel, so it is
 # probably not used in the real world at all.
-vm.unprivileged_userfaultfd = 0
+vm.unprivileged_userfaultfd = 0

etc/sysctl.d/99-workstation.conf

@@ -76,9 +76,6 @@ net.ipv4.conf.*.rp_filter = 1
 net.ipv4.icmp_echo_ignore_all = 1
 net.ipv6.icmp.echo_ignore_all = 1
 
-# Ignore Bogus ICMP responses.
-net.ipv4.icmp_ignore_bogus_error_responses = 1
-
 # Enable IP Forwarding.
 # Needed for VM networking and whatnot.
 net.ipv4.ip_forward = 1
@@ -116,4 +113,4 @@ vm.mmap_rnd_compat_bits = 16
 # https://bugs.archlinux.org/task/62780
 # Interestingly enough, Arch does not even have userfaultfd in their kernel, so it is
 # probably not used in the real world at all.
-vm.unprivileged_userfaultfd = 0
+vm.unprivileged_userfaultfd = 0