Revert "Improve build system, etc..."

This reverts commit 249b44a81a.

src/CMakeLists.txt

@@ -30,8 +30,7 @@ set(PMT_SOURCES
 )
 
 # Add pmt
-add_executable(pmt ${PMT_SOURCES}
-        functions/ShellFunction.cpp)
+add_executable(pmt ${PMT_SOURCES})
 add_executable(pmt_static ${PMT_SOURCES})
 
 # Set linker options

src/functions/ShellFunction.cpp

@@ -1,16 +0,0 @@
-/*
-Copyright 2025 Yağız Zengin
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-           http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-

src/functions/functions.hpp

@@ -175,17 +175,6 @@ public:
   [[nodiscard]] const char *name() const override;
 };
 
-class shellFunction final : public FunctionBase {
-public:
-  CLI::App *cmd = nullptr;
-
-  bool init(CLI::App &_app) override;
-  bool run() override;
-
-  [[nodiscard]] bool isUsed() const override;
-  [[nodiscard]] const char *name() const override;
-};
-
 } // namespace PartitionManager
 
 #endif // #ifndef FUNCTIONS_HPP