Remove Fuchsia support from Soong

Bug: 194215932
Test: m checkbuild
Change-Id: Id7d3964d9417f8b0938af9b168bb4c00cebe9390

cc/binary.go

@@ -215,7 +215,7 @@ func (binary *binaryDecorator) linkerInit(ctx BaseModuleContext) {
 			if binary.Properties.Static_executable == nil && ctx.Config().HostStaticBinaries() {
 				binary.Properties.Static_executable = BoolPtr(true)
 			}
-		} else if !ctx.Fuchsia() {
+		} else {
 			// Static executables are not supported on Darwin or Windows
 			binary.Properties.Static_executable = nil
 		}