[GHA] Remove manylinux2014 from workflows as deprecated (#34631)

### Details:
Leftover removal - now we have Manylinux 2.28

### Tickets:
 -CVS-167916

### AI Assistance:
 - *AI assistance used: yes*
- *If yes, summarize how AI was used and what human validation was
performed (build/tests/manual checks): contextual search and removal,
verified manually*

---------

Signed-off-by: Alina Kladieva <alina.kladieva@intel.com>

Author: akladiev

.github/actions/common/constants.py

@@ -1,3 +1,6 @@
+# Copyright (C) 2018-2026 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
 from enum import Enum
 
 
@@ -19,7 +22,6 @@ class EventType(Enum):
     'public_windows_vs2019_debug',
     'public_windows_vs2022_release',
     'public_windows_vs2022_debug',
-    'public_manylinux2014_x86_64_release',
     'public_manylinux_2_28_x86_64_release',
     'public_macos_x86_64_release',
     'public_macos_arm64_release',
@@ -31,7 +33,6 @@ class EventType(Enum):
 
 platformKeys = (
     'almalinux8_x86_64',
-    'centos7_x86_64',
     'debian10_armhf',
     'rhel8_x86_64',
     'ubuntu22_arm64',
@@ -58,7 +59,6 @@ class EventType(Enum):
     PlatformKey.WINDOWS_X86_64: ProductType.PUBLIC_WINDOWS_VS2022_RELEASE,
     PlatformKey.MACOS_12_6_X86_64: ProductType.PUBLIC_MACOS_X86_64_RELEASE,
     PlatformKey.MACOS_14_7_ARM64: ProductType.PUBLIC_MACOS_ARM64_RELEASE,
-    PlatformKey.CENTOS7_X86_64: ProductType.PUBLIC_MANYLINUX2014_X86_64_RELEASE,
     PlatformKey.ALMALINUX8_X86_64: ProductType.PUBLIC_MANYLINUX_2_28_X86_64_RELEASE,
     PlatformKey.ANDROID_X64: ProductType.PUBLIC_ANDROID_X64_RELEASE,
     PlatformKey.ANDROID_ARM64: ProductType.PUBLIC_ANDROID_ARM64_RELEASE,

.github/dockerfiles/docker_tag

@@ -1 +1 @@
-pr-34596
+pr-34631

.github/dockerfiles/ov_build/manylinux2014_x86_64/Dockerfile

@@ -35,8 +35,6 @@ name: Debian 10 ARM
 name: Android
 ==> ./code_style.yml <==
 name: Code Style
-==> ./manylinux_2014.yml <==
-name: Manylinux 2014
 ==> ./manylinux_2_28.yml <==
 name: Manylinux 2_28
 ==> ./linux_arm64.yml <==