fbzx - fix incorrect rp_module_repo parameters - duplicate branch parameter

Author: joolswills

scriptmodules/emulators/fbzx.sh

@@ -13,7 +13,7 @@ rp_module_id="fbzx"
 rp_module_desc="ZXSpectrum emulator FBZX"
 rp_module_help="ROM Extensions: .sna .szx .z80 .tap .tzx .gz .udi .mgt .img .trd .scl .dsk .zip\n\nCopy your ZX Spectrum to $romdir/zxspectrum"
 rp_module_licence="GPL3 https://raw.githubusercontent.com/rastersoft/fbzx/master/COPYING"
-rp_module_repo="git https://github.com/rastersoft/fbzx master :_get_branch_fbzx"
+rp_module_repo="git https://github.com/rastersoft/fbzx :_get_branch_fbzx"
 rp_module_section="opt"
 rp_module_flags="dispmanx !mali !kms"