clean up PATH - numerous dupes

[erikweibust]

There are numerous dupes in my PATH and some things I'm not sure why.

~/bin
❯ ppath
/Applications/iTerm.app/Contents/Resources/utilities
/bin
/bin
/opt/homebrew/bin
/opt/homebrew/opt/coreutils/libexec/gnubin
/opt/homebrew/opt/gnu-sed/libexec/gnubin
/opt/homebrew/opt/grep/libexec/gnubin
/opt/homebrew/sbin
/sbin
/System/Cryptexes/App/usr/bin
/Users/erikweibust/.sdkman/candidates/java/current/bin
/Users/erikweibust/dev/apps/kafka_2.13-3.8.0/bin
/usr/bin
/usr/local/bin
/usr/sbin
/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin
/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin
/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin