Remove SVG loading option, which is no longer supported as of 1effe92129

CMake-Build-Options.md

@@ -44,7 +44,6 @@ You must define `-DCUSTOMIZE_BUILD=ON` in order for many of these options to app
 |`SUPPORT_FILEFORMAT_ASTC`      | Support loading ASTC as textures | `OFF`|
 |`SUPPORT_FILEFORMAT_PKM`       | Support loading PKM as textures | `OFF`|
 |`SUPPORT_FILEFORMAT_PVR`       | Support loading PVR as textures | `OFF`|
-|`SUPPORT_FILEFORMAT_SVG`       | Support loading SVG as textures | `OFF`|
 |`SUPPORT_FILEFORMAT_OBJ`       | Support loading OBJ file format | `ON`|
 |`SUPPORT_FILEFORMAT_MTL`       | Support loading MTL file format | `ON`|
 |`SUPPORT_FILEFORMAT_IQM`       | Support loading IQM file format | `ON`|