Don't refer to ansible-review anymore

The upstream project seems pretty much dead, and it doesn't work with
recent versions of ansible-lint.

Signed-off-by: Nils Philippsen <nils@redhat.com>

STYLEGUIDE

@@ -1,23 +1,16 @@
 infrastructure ansible style guide
 ==================================
 
-* run changes through 'ansible-review'. 
-  ERRORs must be corrected or rules changed. 
-  WARNs should be corrected.
-
-  Rules changes can be proposed to 
-  https://pagure.io/cpe/ansible-review-templates/ 
-
-* Use 'yml' instead of 'yaml' 
+* Use 'yml' instead of 'yaml'
 
 * do add '.j2' to the end of templates
 
-* in general let readablity trump grepability, ie: 
+* in general let readablity trump grepability, i.e.:
 
 DONT:
 - name: This is some play
   module: name=thing arg=thing2 anotherlongerarg=thing arg4=anodheranth
-  
+
 DO:
 - name: This is some play
   module: