Revert "Added AbcMetricMethodCheck to default config"

Had a chat to Marty, and the calculation metrics were all
experimental, so leave them out for now.

This reverts commit bb0644d.

README.md

@@ -61,7 +61,6 @@ Add the following to your Rakefile:
 
 To change the set of checks included, or to change the default values of the checks, you can provide your own config file.  The config file is a YAML file that lists the checks to be included.  Each check can optionally include a hash of options that are passed to the check to configure it.  For example, the default config file looks like this:
 
-    AbcMetricMethodCheck:
     AssignmentInConditionalCheck:
     CaseMissingElseCheck:
     ClassLineCountCheck:
@@ -88,7 +87,6 @@ To change the set of checks included, or to change the default values of the che
 
 ## Supported Checks
 
-* AbcMetricMethodCheck - Check that the number of Assignments, Branches and Conditionals in your code is below the threshold
 * AssignmentInConditionalCheck - Check for an assignment inside a conditional.  It's probably a mistaken equality comparison.
 * CaseMissingElseCheck - Check that case statements have an else statement so that all cases are covered.
 * ClassLineCountCheck - Check that the number of lines in a class is below the threshold.

lib/roodi/core/checking_visitor.rb

@@ -15,19 +15,10 @@ def initialize(*checks)
 
       def visit(node)
         checks = @checks[node.node_type]
-
-        evaluate_node_start(checks, node)
+        checks.each {|check| check.evaluate_node_start(node)} unless checks.nil?
 
         node.visitable_children.each {|sexp| sexp.accept(self)}
 
-        evaluate_node_end(checks, node)
-      end
-
-      def evaluate_node_start(checks, node)
-        checks.each {|check| check.evaluate_node_start(node)} unless checks.nil?
-      end
-
-      def evaluate_node_end(checks, node)
         checks.each {|check| check.evaluate_node_end(node)} unless checks.nil?
       end
     end

roodi.yml

@@ -1,4 +1,3 @@
-AbcMetricMethodCheck:
 AssignmentInConditionalCheck:
 CaseMissingElseCheck:
 ClassLineCountCheck: