Drop unused query tracer code + term-ansicolor gem.

config/initializers/query_trace.rb

@@ -1,73 +0,0 @@
-# yields a stacktrace for each SQL query
-# put this file in config/initializers
-class QueryTrace < ActiveSupport::LogSubscriber
-  include Term::ANSIColor
-  attr_accessor :trace_queries
-
-  def sql(event)  #:nodoc:
-    return unless QueryTrace.enabled? && logger.debug? && Rails.env.development?
-    stack = Rails.backtrace_cleaner.clean(caller)
-    first_line = stack.shift
-    return unless first_line
-
-    msg = prefix + bold + cyan + "#{first_line}\n" + reset
-    msg += cyan + stack.join("\n") + reset
-    debug msg
-  end
-
-  # :call-seq:
-  # Klass.enabled?
-  #
-  # yields boolean if SQL queries should be logged or not
-
-  def self.enabled?
-    defined?(@trace_queries) && @trace_queries
-  end
-
-  # :call-seq:
-  # Klass.status
-  #
-  # yields text if QueryTrace has been enabled or not
-
-  def self.status
-    QueryTrace.enabled? ? 'enabled' : 'disabled'
-  end
-
-  # :call-seq:
-  # Klass.enable!
-  #
-  # turn on SQL query origin logging
-
-  def self.enable!
-    @trace_queries = true
-  end
-
-  # :call-seq:
-  # Klass.disable!
-  #
-  # turn off SQL query origin logging
-
-  def self.disable!
-    @trace_queries = false
-  end
-
-  # :call-seq:
-  # Klass.toggle!
-  #
-  # Toggles query tracing yielding a boolean indicating the new state of query
-  # origin tracing
-
-  def self.toggle!
-    enabled? ? disable! : enable!
-    enabled?
-  end
-
-protected
-
-  def prefix  #:nodoc:
-    bold(magenta('Called from: ')) + reset
-  end
-end
-
-QueryTrace.attach_to :active_record
-QueryTrace.enable! if ENV['QUERY_TRACE']