Drop the sentence about brew being in PATH altogether: you wouldn't e…

…ven be

able to invoke brew at all if this weren't already the case.

doc/Building.md

@@ -101,8 +101,6 @@ You will also have to ensure Homebrew's findutils, gnu-getopt, make & util-linux
 export PATH="$(brew --prefix)/opt/findutils/libexec/gnubin:$(brew --prefix)/opt/gnu-getopt/bin:$(brew --prefix)/opt/make/libexec/gnubin:$(brew --prefix)/opt/util-linux/bin:${PATH}"
 ```
 
-This also assumes you've followed Homebrew's installation instructions properly (e.g., the `brew shellenv` stuff is in your shell's profile).
-
 *Note:* With current XCode versions, you *will* need to set a minimum deployment version higher than `10.04`. Otherwise, you'll hit various linking errors related to missing unwinding libraries/symbols.
 On Mojave, `10.09` has been known to behave with XCode 10, And `10.14` with XCode 11. When in doubt, go with your current macOS version.
 ```