Remove jquery-validation-rails gem

#744

app/assets/javascripts/admin-manifest.coffee

@@ -5,7 +5,6 @@
 #= require admin/autocomplete
 #= require jquery.nested_attributes
 #= require selectize
-#= require shared/jquery.validate.bootstrap
 #= require jquery-ui/datepicker
 #= require select2
 #= require jquery.doubleScroll

app/assets/javascripts/admin/application.coffee

@@ -6,10 +6,6 @@ $(window).load ->
     allowEmptyOption: true, create: true
   })
 
-  # client side validate all forms
-  $('form').each ->
-    $(this).validate()
-
   $('[data-toggle="popover"]').popover()
 
   # doublescroll

app/assets/javascripts/shared/jquery.validate.bootstrap.coffee

@@ -1,19 +0,0 @@
-#= require jquery.validate
-#= require jquery.validate.additional-methods
-
-# override jquery validate plugin defaults
-$.validator.setDefaults
-  highlight: (element) ->
-    $(element).closest('.form-group').addClass 'has-error'
-    return
-  unhighlight: (element) ->
-    $(element).closest('.form-group').removeClass 'has-error'
-    return
-  errorElement: 'span'
-  errorClass: 'help-block'
-  errorPlacement: (error, element) ->
-    if element.parent('.input-group').length
-      error.insertAfter element.parent()
-    else
-      error.insertAfter element
-    return