Revert "Update Source Code Pro fonts to version 2.030"

This reverts commit 6bafc58cedc6f409dbcd8919a25b2f5d425f42ae.

src/librustdoc/html/render.rs

@@ -938,7 +938,7 @@ themePicker.onblur = handleThemeButtonsBlur;
           static_files::source_code_pro::REGULAR)?;
     write(cx.dst.join("SourceCodePro-Semibold.woff"),
           static_files::source_code_pro::SEMIBOLD)?;
-    write(cx.dst.join("SourceCodePro-LICENSE.md"),
+    write(cx.dst.join("SourceCodePro-LICENSE.txt"),
           static_files::source_code_pro::LICENSE)?;
     write(cx.dst.join("LICENSE-MIT.txt"),
           static_files::LICENSE_MIT)?;

src/librustdoc/html/static_files.rs

@@ -103,7 +103,7 @@ pub mod source_code_pro {
     pub static SEMIBOLD: &'static [u8] = include_bytes!("static/SourceCodePro-Semibold.woff");
 
     /// The file `SourceCodePro-LICENSE.txt`, the license text of the Source Code Pro font.
-    pub static LICENSE: &'static [u8] = include_bytes!("static/SourceCodePro-LICENSE.md");
+    pub static LICENSE: &'static [u8] = include_bytes!("static/SourceCodePro-LICENSE.txt");
 }
 
 /// Files related to the sidebar in rustdoc sources.