Delete the ruler gadget

It does not work well with the new E gadgets infra,
and it was just a simple example

GADGETS/ruler/Makefile

@@ -1,36 +0,0 @@
-# Simple Makefile for Enlightenment (edgar) gadgets
-
-# gadget specific config
-GADGET_NAME = ruler
-EXTRA_FILES = 
-
-
-# nothing  should be changed below this point
-GADGET_FILES = __init__.pyc $(GADGET_NAME).edj
-prefix = $(shell pkg-config --variable=libdir enlightenment)
-gadget_folder = ${prefix}/enlightenment/gadgets/$(GADGET_NAME)
-
-.PHONY: all install clean
-
-all: $(GADGET_FILES) $(EXTRA_FILES)
-
-install: all
-	@mkdir -p -v ${gadget_folder}
-	@cp --preserve=mode -v $(GADGET_FILES) $(EXTRA_FILES) $(gadget_folder)
-
-uninstall: all
-	@rm -rfv ${gadget_folder}
-
-clean:
-	@rm -fv *.edj *.pyc
-
-
-EDJE_CC = edje_cc
-EDJE_FLAGS = -v -id images/ -fd fonts/
-
-%.edj: %.edc images/*
-	$(EDJE_CC) $(EDJE_FLAGS) $<
-	@chmod -v og+r $@
-
-%.pyc: %.py
-	python3 -c "from py_compile import compile; compile('$<', '$@')"

GADGETS/ruler/__init__.py

@@ -1,28 +0,0 @@
-# This python file use the following encoding: utf-8
-
-import sys
-import os
-import e
-
-from efl import evas
-
-__gadget_name__ = 'Ruler (HalloWorld)'
-__gadget_vers__ = '0.1'
-__gadget_auth__ = 'DaveMDS'
-__gadget_mail__ = 'dave@gurumeditation.it'
-__gadget_desc__ = 'All gadgets sets have a ruler...'
-__gadget_vapi__ = 1
-
-
-class Gadget(e.Gadget):
-
-    def __init__(self):
-        super().__init__()
-
-    def instance_orient(self, obj, generic, specific):
-        super().instance_orient(obj, generic, specific)
-
-        if generic == e.E_GADCON_ORIENT_VERT:
-            obj.signal_emit('gadget,orient,vert', '')
-        else:
-            obj.signal_emit('gadget,orient,horiz', '')

GADGETS/ruler/ruler.edc

@@ -1,77 +0,0 @@
-/**
- *  E17 Ruler Gadget (HalloWorld)
- *
- *  This is the simplest gadget yo can do.
- *  Ruler will be used as reference, all off the gadgets features will be
- *  documented here.You can use this file as a skeleton for your new gadgets.
- *
- *  All the thing that is labeled as API are part that must exist in every
- *  gadget.
- *
- */
-
-
-images {
-   image: "icon.png" COMP;
-   image: "ruler_horiz.png" COMP;
-   image: "ruler_vert.png" COMP;
-}
-
-
-collections {
-/**
- *  API [e/gadget/icon] The group used for the icon of the gadget
- */
-   group { name: "e/gadgets/ruler/icon";
-      parts {
-         part { name: "icon";
-            description {
-               state: "default" 0.0;
-               aspect: 1.0 1.0;
-               aspect_preference: BOTH;
-               image {
-                  normal: "icon.png";
-               }
-            }
-         }
-      }
-   }
-
-/**
- *  API [e/gadget/main] The main group of the gadget
- *  This group is the one that is places on the screen. It's name must be
- *  e/gadget/main.
- */
-   group { name: "e/gadgets/ruler/main";
-      parts {
-         part { name: "ruler";
-            description { state: "default" 0.0;
-               min: 800 70;
-               max: 800 70;
-               image {
-                  normal: "ruler_horiz.png";
-               }
-            }
-            description { state: "vertical" 0.0;
-               min: 70 800;
-               max: 70 800;
-               image {
-                  normal: "ruler_vert.png";
-               }
-            }
-         }
-      }
-      programs {
-         program { signal: "gadget,orient,vert";
-            source: "";
-            action: STATE_SET "vertical" 0.0;
-            target: "ruler";
-         }
-         program { signal: "gadget,orient,horiz";
-            source: "";
-            action: STATE_SET "default" 0.0;
-            target: "ruler";
-         }
-      }
-   }
-}