Rename "Education and Teaching" category to "Education"

The "and Teaching" in the category name was completely superfluous. Excessive verbosity in category names is harmful
because it makes it more likely the name will be truncated in category listings in the forum UI.

Author: per1234

content/categories/community/education-and-teaching/README.md

@@ -1,4 +1,4 @@
-# Education and Teaching
+# Education
 
 ## Permissions
 
@@ -8,4 +8,4 @@
 
 ## Published At
 
-https://forum.arduino.cc/c/community/education-and-teaching/34
+https://forum.arduino.cc/c/community/education/34

content/categories/community/education-and-teaching/_pins.md

@@ -1,2 +1,2 @@
-- https://forum.arduino.cc/t/about-the-education-and-teaching-category/847474
+- https://forum.arduino.cc/t/about-the-education-category/847474
 - https://forum.arduino.cc/t/how-to-get-the-best-out-of-this-forum/681327

content/categories/community/education-and-teaching/_topics/about-the-education-and-teaching-category/README.md

@@ -1,5 +1,5 @@
-# About the Education and Teaching category
+# About the Education category
 
 ## Published At
 
-https://forum.arduino.cc/t/about-the-education-and-teaching-category/847474
+https://forum.arduino.cc/t/about-the-education-category/847474

content/categories/forum-2005-2010-read-only/remote-learning/_topics/about-the-emergency-response-remote-learning-category/1.md

@@ -1,3 +1,3 @@
-This category has been merged with "Education and Teaching"
+This category has been merged with "Education"
 
-Please use the #projects-discussion-and-showcase:education-and-teaching category for discussion of subjects related to education.
+Please use the #community:education category for discussion of subjects related to education.

content/categories/order.md

@@ -105,7 +105,7 @@
 - Community
   - General Discussion
   - Website and Forum
-  - Education and Teaching
+  - Education
   - Products and Services
   - Jobs and Paid Consultancy
   - Groups and Events