Remove armhf templates

These are not required, build on the device or use buildx

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

README.md

@@ -9,13 +9,9 @@ $ faas new --list
 
 Languages available as templates:
 - golang-http
-- golang-http-armhf
 - golang-middleware
-- golang-middleware-armhf
 ```
 
-> To build and deploy a function for your Raspberry Pi or ARMv7 in general, use the language templates ending in `-armhf`.
-
 The two templates are equivalent with `golang-http` using a structured request/response object and the alternative implementing a Golang `http.HandleFunc` from the Golang stdlib. `golang-http` is more "conventional" for a Golang serverless template but this is a question of style/taste.
 
 ## Dependencies
@@ -43,8 +39,6 @@ $ faas template pull https://github.com/openfaas-incubator/golang-http-template
 $ faas new --lang golang-http <fn-name>
 ```
 
-This template is also available for armhf / Raspberry Pi via the name `golang-http-armhf`.
-
 ### Example usage
 
 Example writing a successful message:
@@ -199,8 +193,6 @@ $ faas template pull https://github.com/openfaas-incubator/golang-http-template
 $ faas new --lang golang-middleware <fn-name>
 ```
 
-This template is also available for armhf / Raspberry Pi via the name `golang-middleware-armhf`.
-
 ### Example usage
 
 Example writing a JSON response: