Fix Linux CLAP strip command

The CLAP plugin on Linux is a flat .so file, not a bundle directory.

Author: FigBug

ci/build.sh

@@ -107,7 +107,7 @@ if [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
   strip vst/$PLUGIN.so
   strip vst3/$PLUGIN.vst3/Contents/x86_64-linux/$PLUGIN.so
   strip lv2/$PLUGIN.lv2/lib$PLUGIN.so
-  strip clap/$PLUGIN.clap/$PLUGIN.so
+  strip clap/$PLUGIN.clap
 
   # Upload
   cd "$ROOT/ci/bin"