small web tweaks

web/build.sh

@@ -3,7 +3,11 @@
 set -xe
 
 pushd build_web
-BUILD_PATH_PREFIX_MAP=$(pwd)=. cmake --build . --parallel
+if [ -f "index.html" ]; then
+    rm -rf index.html
+fi
+
+cmake --build . --parallel
 if [ -f "eco2d.html" ]; then
     mv eco2d.html index.html
 fi

web/deploy.sh

@@ -19,11 +19,6 @@ if [ ! -d "butler" ]; then
     popd
 fi
 
-# Build web
-if [ -f "build_web/index.html" ]; then
-    rm -rf build_web/index.html
-fi
-
 # Build the project
 web/build.sh