Cleaned up memory exceptions.

src/main/java/li/cil/circuity/vm/device/memory/exception/LoadPageFaultException.java

@@ -3,14 +3,7 @@ package li.cil.circuity.vm.device.memory.exception;
 import li.cil.circuity.api.vm.device.memory.MemoryAccessException;
 
 public final class LoadPageFaultException extends MemoryAccessException {
-    private final int address;
-
     public LoadPageFaultException(final int address) {
         super(address);
-        this.address = address;
-    }
-
-    public int getAddress() {
-        return address;
     }
 }

src/main/java/li/cil/circuity/vm/device/memory/exception/MisalignedFetchException.java

@@ -3,14 +3,7 @@ package li.cil.circuity.vm.device.memory.exception;
 import li.cil.circuity.api.vm.device.memory.MemoryAccessException;
 
 public final class MisalignedFetchException extends MemoryAccessException {
-    private final int address;
-
     public MisalignedFetchException(final int address) {
         super(address);
-        this.address = address;
-    }
-
-    public int getAddress() {
-        return address;
     }
 }

src/main/java/li/cil/circuity/vm/device/memory/exception/MisalignedLoadException.java

@@ -3,14 +3,7 @@ package li.cil.circuity.vm.device.memory.exception;
 import li.cil.circuity.api.vm.device.memory.MemoryAccessException;
 
 public final class MisalignedLoadException extends MemoryAccessException {
-    private final int address;
-
     public MisalignedLoadException(final int address) {
         super(address);
-        this.address = address;
-    }
-
-    public int getAddress() {
-        return address;
     }
 }

src/main/java/li/cil/circuity/vm/device/memory/exception/MisalignedStoreException.java

@@ -3,14 +3,7 @@ package li.cil.circuity.vm.device.memory.exception;
 import li.cil.circuity.api.vm.device.memory.MemoryAccessException;
 
 public final class MisalignedStoreException extends MemoryAccessException {
-    private final int address;
-
     public MisalignedStoreException(final int address) {
         super(address);
-        this.address = address;
-    }
-
-    public int getAddress() {
-        return address;
     }
 }