chore(docs): build toxcore with bootstrap daemon disabled

toxcore requires libconfig to build the bootstrap daemon. our current
dependencies don't list libconfig, and we have no use for the bootstrap daemon,
so don't build it for qTox.

INSTALL.md

@@ -499,7 +499,7 @@ Provided that you have all required dependencies installed, you can simply run:
 git clone https://github.com/toktok/c-toxcore.git toxcore
 cd toxcore
 git checkout v0.2.10
-cmake .
+cmake . -DBOOTSTRAP_DAEMON=OFF
 make -j$(nproc)
 sudo make install
 

bootstrap.sh

@@ -114,11 +114,11 @@ install_toxcore() {
         # compile and install
         if [[ $SYSTEM_WIDE = "false" ]]
         then
-            cmake . -DCMAKE_INSTALL_PREFIX=${BASE_DIR}
+            cmake . -DCMAKE_INSTALL_PREFIX=${BASE_DIR} -DBOOTSTRAP_DAEMON=OFF
             make -j $(nproc)
             make install
         else
-            cmake .
+            cmake . -DBOOTSTRAP_DAEMON=OFF
             make -j $(nproc)
             sudo make install
             sudo ldconfig

flatpak/io.github.qtox.qTox.json

@@ -145,6 +145,7 @@
         {
             "name": "c-toxcore",
             "buildsystem": "cmake-ninja",
+            "config-opts": ["-DBOOTSTRAP_DAEMON=OFF"],
             "sources": [
                 {
                     "type": "git",