plugins/less-pretty-cat: simplify code flow

Convert from indented if-block to return then unindented code. This should have basically one line change at the top, one line removed at the bottom, and then all whitespace.

clean_files.txt

@@ -90,6 +90,7 @@ plugins/available/history-substring-search.plugin.bash
 plugins/available/history.plugin.bash
 plugins/available/hub.plugin.bash
 plugins/available/jump.plugin.bash
+plugins/available/less-pretty-cat.plugin.bash
 plugins/available/node.plugin.bash
 plugins/available/nodenv.plugin.bash
 plugins/available/plenv.plugin.bash

plugins/available/less-pretty-cat.plugin.bash

@@ -2,30 +2,29 @@
 cite about-plugin
 about-plugin 'pygmentize instead of cat to terminal if possible'
 
-if _command_exists pygmentize
-then
+_command_exists pygmentize || return
+
 # pigmentize cat and less outputs - call them ccat and cless to avoid that
 # especially cat'ed output in scripts gets mangled with pygemtized meta characters
-  function ccat()
-  {
+function ccat() {
 	about 'runs either pygmentize or cat on each file passed in'
 	param '*: files to concatenate (as normally passed to cat)'
-      example 'cat mysite/manage.py dir/text-file.txt'
+	example 'ccat mysite/manage.py dir/text-file.txt'
+
 	local file
 	: "${BASH_IT_CCAT_STYLE:=default}"
 
-      for file in "$@"
-      do
-          pygmentize -f 256 -O style="$BASH_IT_CCAT_STYLE" -g "$file" 2>/dev/null || command cat "$file";
+	for file in "$@"; do
+		pygmentize -f 256 -O style="$BASH_IT_CCAT_STYLE" -g "$file" 2> /dev/null || command cat "$file"
 	done
 }
 
-  function cless()
-  {
+function cless() {
 	about 'pigments the file passed in and passes it to less for pagination'
-      param '$1: the file to paginate with less'
-      example 'less mysite/manage.py'
+	param '1: the file to paginate with less'
+	example 'cless mysite/manage.py'
+
 	: "${BASH_IT_CLESS_STYLE:=default}"
+
 	pygmentize -f 256 -O style="$BASH_IT_CLESS_STYLE" -g "$@" | command less -R
 }
-fi