Merge pull request #556 from hazelnusse/remove_documentation_redundancy

Remove redundant "From Source" documentation

docs/content/documentation/getting-started/installation.md

@@ -14,10 +14,6 @@ Zola is available on [Brew](https://brew.sh):
 $ brew install zola
 ```
 
-## From source
-To build it from source, you will need to have Git, [Rust (at least 1.30) and Cargo](https://www.rust-lang.org/)
-installed. You will also need additional dependencies to compile [libsass](https://github.com/sass/libsass):
-
 ### Arch Linux
 
 Use your favourite AUR helper to install the `zola-bin` package.
@@ -49,7 +45,7 @@ $ choco install zola
 ```
 
 ## From source
-To build it from source, you will need to have Git, [Rust (at least 1.29) and Cargo](https://www.rust-lang.org/)
+To build it from source, you will need to have Git, [Rust (at least 1.30) and Cargo](https://www.rust-lang.org/)
 installed. You will also need additional dependencies to compile [libsass](https://github.com/sass/libsass):
 
 - OSX, Linux and other Unix: `make` (`gmake` on BSDs), `g++`, `libssl-dev`