docs: update install.md with current working instructions (#237)

* old instructions no longer work, replaced them with new one

* docs: update install.md removed tab space

Author: tusharxoxoxo

INSTALL.md

@@ -27,8 +27,7 @@ We have packaged `swhkd-git`. `swhkd-bin` has been packaged separately by a user
 -   `git clone https://github.com/waycrate/swhkd;cd swhkd`
 -   `make setup`
 -   `make clean`
-    -   `make` for a musl compile.
-    -   `make glibc` for a glibc compile.
+-   `make`
 -   `sudo make install`
 
 # Running: