Update .zshrc

.zshrc

@@ -1,7 +1,7 @@
 #
 # .zshrc
 #
-# @author Jeff Geerling
+# @author Billy-George Price-Sprackland
 #
 
 # Colors.
@@ -79,23 +79,6 @@ function gsync() {
 # Tell homebrew to not autoupdate every single time I run it (just once a week).
 export HOMEBREW_AUTO_UPDATE_SECS=604800
 
-# Super useful Docker container oneshots.
-# Usage: dockrun, or dockrun [centos7|fedora27|debian9|debian8|ubuntu1404|etc.]
-# Run on arm64 if getting errors: `export DOCKER_DEFAULT_PLATFORM=linux/amd64`
-dockrun() {
- docker run -it geerlingguy/docker-"${1:-ubuntu1604}"-ansible /bin/bash
-}
-
-# Enter a running Docker container.
-function denter() {
- if [[ ! "$1" ]] ; then
-     echo "You must supply a container ID or name."
-     return 0
- fi
-
- docker exec -it $1 bash
- return 0
-}
 
 # Delete a given line number in the known_hosts file.
 knownrm() {