removed hist substring search

.gitmodules

@@ -1,6 +1,3 @@
-[submodule "zsh/plugins/zsh-history-substring-search"]
-	path = zsh/plugins/zsh-history-substring-search
-	url = https://github.com/zsh-users/zsh-history-substring-search
 [submodule "zsh/plugins/zsh-syntax-highlighting"]
 	path = zsh/plugins/zsh-syntax-highlighting
 	url = https://github.com/zsh-users/zsh-syntax-highlighting

zshrc

@@ -86,6 +86,3 @@ setopt HIST_IGNORE_DUPS
 
 # zsh-syntax-highlighting (MUST BE AT THE BOTTOM OF THIS FILE)
 source ~/.zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
-
-# zsh-history-substring-search (MUST BE BELOW SYNTAX HIGHLIGHTING)
-source ~/.zsh/plugins/zsh-history-substring-search/zsh-history-substring-search.zsh