[DOCS] Removes outdated OSS homebrew tap (elastic#101210)

docs/setup/install/brew.asciidoc

@@ -11,16 +11,13 @@ brew tap elastic/tap
 -------------------------
 
 Once you've tapped the Elastic Homebrew repo, you can use `brew install` to
-install the default distribution of {kib}:
+install the **lastest version** of {kib}:
 
 [source,sh]
 -------------------------
 brew install elastic/tap/kibana-full
 -------------------------
 
-This installs the most recently released default distribution of {kib}. To install the OSS distribution,
-specify `elastic/tap/kibana-oss`.
-
 [[brew-layout]]
 ==== Directory layout for Homebrew installs